1,510,390

2 × 5 × 7 × 21577

For 1,510,390, the 16 positive divisors have a total of 3,107,232. Removing 1,510,390 leaves 1,596,842, which gives the abundant classification.

Prime Factor Structure

Factorization String 2 × 5 × 7 × 21577

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 16

Divisor Sum (σ) 3,107,232

Proper Divisor Sum 1,596,842

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #1510373 ← → #1510391

1 2 5 7 10 14 35 70 21,577 43,154 107,885 151,039 215,770 302,078 755,195 1,510,390

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

1,510,390 755,195 2,265,586 1,132,793 3,398,380 1,699,190 849,595 2,548,786 1,274,393 3,823,180 1,911,590 955,795 2,867,386 1,433,693 4,301,080 2,150,540 1,075,270 537,635 1,612,906 806,453 2,419,360 1,209,680 604,840 302,420 151,210 75,605 226,816 113,408 56,704 28,352 14,176 7,088 3,544 1,772 886 443 1,330 665 1,996 998 499 1,498 749 2,248 1,124 562 281 844 422 211 634 317 952 476 238 119 358 179 538 269

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