1211595880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{8171}}^1$

素因数の和:8530

約数の個数: 64

約数和(自身を含む): 2983106880

約数和(自身を除く): 1771511000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 337, 440, 674, 1348, 1685, 2696, 3370, 3707, 6740, 7414, 8171, 13480, 14828, 16342, 18535, 29656, 32684, 37070, 40855, 65368, 74140, 81710, 89881, 148280, 163420, 179762, 326840, 359524, 449405, 719048, 898810, 1797620, 2753627, 3595240, 5507254, 11014508, 13768135, 22029016, 27536270, 30289897, 55072540, 60579794, 110145080, 121159588, 151449485, 242319176, 302898970, 605797940, 1211595880]

約数ペア:

[(1, 1211595880), (2, 605797940), (4, 302898970), (5, 242319176), (8, 151449485), (10, 121159588), (11, 110145080), (20, 60579794), (22, 55072540), (40, 30289897), (44, 27536270), (55, 22029016), (88, 13768135), (110, 11014508), (220, 5507254), (337, 3595240), (440, 2753627), (674, 1797620), (1348, 898810), (1685, 719048), (2696, 449405), (3370, 359524), (3707, 326840), (6740, 179762), (7414, 163420), (8171, 148280), (13480, 89881), (14828, 81710), (16342, 74140), (18535, 65368), (29656, 40855), (32684, 37070)]