90929960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4397}}^1$

素因数の和:4466

約数の個数: 64

約数和(自身を含む): 227992320

約数和(自身を除く): 137062360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1880, 2068, 2585, 4136, 4397, 5170, 8794, 10340, 17588, 20680, 21985, 35176, 43970, 48367, 87940, 96734, 175880, 193468, 206659, 241835, 386936, 413318, 483670, 826636, 967340, 1033295, 1653272, 1934680, 2066590, 2273249, 4133180, 4546498, 8266360, 9092996, 11366245, 18185992, 22732490, 45464980, 90929960]

約数ペア:

[(1, 90929960), (2, 45464980), (4, 22732490), (5, 18185992), (8, 11366245), (10, 9092996), (11, 8266360), (20, 4546498), (22, 4133180), (40, 2273249), (44, 2066590), (47, 1934680), (55, 1653272), (88, 1033295), (94, 967340), (110, 826636), (188, 483670), (220, 413318), (235, 386936), (376, 241835), (440, 206659), (470, 193468), (517, 175880), (940, 96734), (1034, 87940), (1880, 48367), (2068, 43970), (2585, 35176), (4136, 21985), (4397, 20680), (5170, 17588), (8794, 10340)]