521611640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{2293}}^1$

素因数の和:2373

約数の個数: 96

約数和(自身を含む): 1318040640

約数和(自身を除く): 796429000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 121, 188, 220, 235, 242, 376, 440, 470, 484, 517, 605, 940, 968, 1034, 1210, 1880, 2068, 2293, 2420, 2585, 4136, 4586, 4840, 5170, 5687, 9172, 10340, 11374, 11465, 18344, 20680, 22748, 22930, 25223, 28435, 45496, 45860, 50446, 56870, 91720, 100892, 107771, 113740, 126115, 201784, 215542, 227480, 252230, 277453, 431084, 504460, 538855, 554906, 862168, 1008920, 1077710, 1109812, 1185481, 1387265, 2155420, 2219624, 2370962, 2774530, 4310840, 4741924, 5549060, 5927405, 9483848, 11098120, 11854810, 13040291, 23709620, 26080582, 47419240, 52161164, 65201455, 104322328, 130402910, 260805820, 521611640]

約数ペア:

[(1, 521611640), (2, 260805820), (4, 130402910), (5, 104322328), (8, 65201455), (10, 52161164), (11, 47419240), (20, 26080582), (22, 23709620), (40, 13040291), (44, 11854810), (47, 11098120), (55, 9483848), (88, 5927405), (94, 5549060), (110, 4741924), (121, 4310840), (188, 2774530), (220, 2370962), (235, 2219624), (242, 2155420), (376, 1387265), (440, 1185481), (470, 1109812), (484, 1077710), (517, 1008920), (605, 862168), (940, 554906), (968, 538855), (1034, 504460), (1210, 431084), (1880, 277453), (2068, 252230), (2293, 227480), (2420, 215542), (2585, 201784), (4136, 126115), (4586, 113740), (4840, 107771), (5170, 100892), (5687, 91720), (9172, 56870), (10340, 50446), (11374, 45860), (11465, 45496), (18344, 28435), (20680, 25223), (22748, 22930)]