391551520

素因数分解:

$2^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{22871}}^1$

素因数の和:22993

約数の個数: 48

約数和(自身を含む): 933726528

約数和(自身を除く): 542175008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 107, 160, 214, 428, 535, 856, 1070, 1712, 2140, 3424, 4280, 8560, 17120, 22871, 45742, 91484, 114355, 182968, 228710, 365936, 457420, 731872, 914840, 1829680, 2447197, 3659360, 4894394, 9788788, 12235985, 19577576, 24471970, 39155152, 48943940, 78310304, 97887880, 195775760, 391551520]

約数ペア:

[(1, 391551520), (2, 195775760), (4, 97887880), (5, 78310304), (8, 48943940), (10, 39155152), (16, 24471970), (20, 19577576), (32, 12235985), (40, 9788788), (80, 4894394), (107, 3659360), (160, 2447197), (214, 1829680), (428, 914840), (535, 731872), (856, 457420), (1070, 365936), (1712, 228710), (2140, 182968), (3424, 114355), (4280, 91484), (8560, 45742), (17120, 22871)]