764394920

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{197009}}^1$

素因数の和:197117

約数の個数: 32

約数和(自身を含む): 1737628200

約数和(自身を除く): 973233280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 197009, 394018, 788036, 985045, 1576072, 1970090, 3940180, 7880360, 19109873, 38219746, 76439492, 95549365, 152878984, 191098730, 382197460, 764394920]

約数ペア:

[(1, 764394920), (2, 382197460), (4, 191098730), (5, 152878984), (8, 95549365), (10, 76439492), (20, 38219746), (40, 19109873), (97, 7880360), (194, 3940180), (388, 1970090), (485, 1576072), (776, 985045), (970, 788036), (1940, 394018), (3880, 197009)]