994805080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{407707}}^1$

素因数の和:407779

約数の個数: 32

約数和(自身を含む): 2275010640

約数和(自身を除く): 1280205560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 407707, 815414, 1630828, 2038535, 3261656, 4077070, 8154140, 16308280, 24870127, 49740254, 99480508, 124350635, 198961016, 248701270, 497402540, 994805080]

約数ペア:

[(1, 994805080), (2, 497402540), (4, 248701270), (5, 198961016), (8, 124350635), (10, 99480508), (20, 49740254), (40, 24870127), (61, 16308280), (122, 8154140), (244, 4077070), (305, 3261656), (488, 2038535), (610, 1630828), (1220, 815414), (2440, 407707)]