320440973972

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2655911}}^1$

素因数の和:2656092

約数の個数: 48

約数和(自身を含む): 666315202560

約数和(自身を除く): 345874228588

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 139, 217, 278, 434, 556, 868, 973, 1946, 3892, 4309, 8618, 17236, 30163, 60326, 120652, 2655911, 5311822, 10623644, 18591377, 37182754, 74365508, 82333241, 164666482, 329332964, 369171629, 576332687, 738343258, 1152665374, 1476686516, 2305330748, 2584201403, 5168402806, 10336805612, 11444320499, 22888640998, 45777281996, 80110243493, 160220486986, 320440973972]

約数ペア:

[(1, 320440973972), (2, 160220486986), (4, 80110243493), (7, 45777281996), (14, 22888640998), (28, 11444320499), (31, 10336805612), (62, 5168402806), (124, 2584201403), (139, 2305330748), (217, 1476686516), (278, 1152665374), (434, 738343258), (556, 576332687), (868, 369171629), (973, 329332964), (1946, 164666482), (3892, 82333241), (4309, 74365508), (8618, 37182754), (17236, 18591377), (30163, 10623644), (60326, 5311822), (120652, 2655911)]