268477640

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{21863}}^1$

素因数の和:22181

約数の個数: 32

約数和(自身を含む): 606070080

約数和(自身を除く): 337592440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 12280, 21863, 43726, 87452, 109315, 174904, 218630, 437260, 874520, 6711941, 13423882, 26847764, 33559705, 53695528, 67119410, 134238820, 268477640]

約数ペア:

[(1, 268477640), (2, 134238820), (4, 67119410), (5, 53695528), (8, 33559705), (10, 26847764), (20, 13423882), (40, 6711941), (307, 874520), (614, 437260), (1228, 218630), (1535, 174904), (2456, 109315), (3070, 87452), (6140, 43726), (12280, 21863)]