721817830

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{67271}}^1$

素因数の和:67344

約数の個数: 32

約数和(自身を含む): 1380421440

約数和(自身を除く): 658603610

約数列:

[1, 2, 5, 10, 29, 37, 58, 74, 145, 185, 290, 370, 1073, 2146, 5365, 10730, 67271, 134542, 336355, 672710, 1950859, 2489027, 3901718, 4978054, 9754295, 12445135, 19508590, 24890270, 72181783, 144363566, 360908915, 721817830]

約数ペア:

[(1, 721817830), (2, 360908915), (5, 144363566), (10, 72181783), (29, 24890270), (37, 19508590), (58, 12445135), (74, 9754295), (145, 4978054), (185, 3901718), (290, 2489027), (370, 1950859), (1073, 672710), (2146, 336355), (5365, 134542), (10730, 67271)]