704383640

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{112163}}^1$

素因数の和:112331

約数の個数: 32

約数和(自身を含む): 1594972080

約数和(自身を除く): 890588440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 112163, 224326, 448652, 560815, 897304, 1121630, 2243260, 4486520, 17609591, 35219182, 70438364, 88047955, 140876728, 176095910, 352191820, 704383640]

約数ペア:

[(1, 704383640), (2, 352191820), (4, 176095910), (5, 140876728), (8, 88047955), (10, 70438364), (20, 35219182), (40, 17609591), (157, 4486520), (314, 2243260), (628, 1121630), (785, 897304), (1256, 560815), (1570, 448652), (3140, 224326), (6280, 112163)]