31040090

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 57032640

約数和(自身を除く): 25992550

約数列:

[1, 2, 5, 10, 137, 139, 163, 274, 278, 326, 685, 695, 815, 1370, 1390, 1630, 19043, 22331, 22657, 38086, 44662, 45314, 95215, 111655, 113285, 190430, 223310, 226570, 3104009, 6208018, 15520045, 31040090]

約数ペア:

[(1, 31040090), (2, 15520045), (5, 6208018), (10, 3104009), (137, 226570), (139, 223310), (163, 190430), (274, 113285), (278, 111655), (326, 95215), (685, 45314), (695, 44662), (815, 38086), (1370, 22657), (1390, 22331), (1630, 19043)]