407974760

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{99023}}^1$

素因数の和:99137

約数の個数: 32

約数和(自身を含む): 926864640

約数和(自身を除く): 518889880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 99023, 198046, 396092, 495115, 792184, 990230, 1980460, 3960920, 10199369, 20398738, 40797476, 50996845, 81594952, 101993690, 203987380, 407974760]

約数ペア:

[(1, 407974760), (2, 203987380), (4, 101993690), (5, 81594952), (8, 50996845), (10, 40797476), (20, 20398738), (40, 10199369), (103, 3960920), (206, 1980460), (412, 990230), (515, 792184), (824, 495115), (1030, 396092), (2060, 198046), (4120, 99023)]