2052805780

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{688861}}^1$

素因数の和:689019

約数の個数: 24

約数和(自身を含む): 4339830600

約数和(自身を除く): 2287024820

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 688861, 1377722, 2755444, 3444305, 6888610, 13777220, 102640289, 205280578, 410561156, 513201445, 1026402890, 2052805780]

約数ペア:

[(1, 2052805780), (2, 1026402890), (4, 513201445), (5, 410561156), (10, 205280578), (20, 102640289), (149, 13777220), (298, 6888610), (596, 3444305), (745, 2755444), (1490, 1377722), (2980, 688861)]