28831220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4519}}^1$

素因数の和:4568

約数の個数: 48

約数和(自身を含む): 68342400

約数和(自身を除く): 39511180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 4519, 6380, 9038, 18076, 22595, 45190, 49709, 90380, 99418, 131051, 198836, 248545, 262102, 497090, 524204, 655255, 994180, 1310510, 1441561, 2621020, 2883122, 5766244, 7207805, 14415610, 28831220]

約数ペア:

[(1, 28831220), (2, 14415610), (4, 7207805), (5, 5766244), (10, 2883122), (11, 2621020), (20, 1441561), (22, 1310510), (29, 994180), (44, 655255), (55, 524204), (58, 497090), (110, 262102), (116, 248545), (145, 198836), (220, 131051), (290, 99418), (319, 90380), (580, 49709), (638, 45190), (1276, 22595), (1595, 18076), (3190, 9038), (4519, 6380)]