88490140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{617}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 190620864

約数和(自身を除く): 102130724

約数列:

[1, 2, 4, 5, 10, 20, 71, 101, 142, 202, 284, 355, 404, 505, 617, 710, 1010, 1234, 1420, 2020, 2468, 3085, 6170, 7171, 12340, 14342, 28684, 35855, 43807, 62317, 71710, 87614, 124634, 143420, 175228, 219035, 249268, 311585, 438070, 623170, 876140, 1246340, 4424507, 8849014, 17698028, 22122535, 44245070, 88490140]

約数ペア:

[(1, 88490140), (2, 44245070), (4, 22122535), (5, 17698028), (10, 8849014), (20, 4424507), (71, 1246340), (101, 876140), (142, 623170), (202, 438070), (284, 311585), (355, 249268), (404, 219035), (505, 175228), (617, 143420), (710, 124634), (1010, 87614), (1234, 71710), (1420, 62317), (2020, 43807), (2468, 35855), (3085, 28684), (6170, 14342), (7171, 12340)]