531352580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2415239}}^1$

素因数の和:2415259

約数の個数: 24

約数和(自身を含む): 1217280960

約数和(自身を除く): 685928380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 2415239, 4830478, 9660956, 12076195, 24152390, 26567629, 48304780, 53135258, 106270516, 132838145, 265676290, 531352580]

約数ペア:

[(1, 531352580), (2, 265676290), (4, 132838145), (5, 106270516), (10, 53135258), (11, 48304780), (20, 26567629), (22, 24152390), (44, 12076195), (55, 9660956), (110, 4830478), (220, 2415239)]