1026740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 2540160

約数和(自身を除く): 1513420

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 359, 572, 715, 718, 1430, 1436, 1795, 2860, 3590, 3949, 4667, 7180, 7898, 9334, 15796, 18668, 19745, 23335, 39490, 46670, 51337, 78980, 93340, 102674, 205348, 256685, 513370, 1026740]

約数ペア:

[(1, 1026740), (2, 513370), (4, 256685), (5, 205348), (10, 102674), (11, 93340), (13, 78980), (20, 51337), (22, 46670), (26, 39490), (44, 23335), (52, 19745), (55, 18668), (65, 15796), (110, 9334), (130, 7898), (143, 7180), (220, 4667), (260, 3949), (286, 3590), (359, 2860), (572, 1795), (715, 1436), (718, 1430)]