72220540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{515861}}^1$

素因数の和:515877

約数の個数: 24

約数和(自身を含む): 173329632

約数和(自身を除く): 101109092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 515861, 1031722, 2063444, 2579305, 3611027, 5158610, 7222054, 10317220, 14444108, 18055135, 36110270, 72220540]

約数ペア:

[(1, 72220540), (2, 36110270), (4, 18055135), (5, 14444108), (7, 10317220), (10, 7222054), (14, 5158610), (20, 3611027), (28, 2579305), (35, 2063444), (70, 1031722), (140, 515861)]