168118220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{289859}}^1$

素因数の和:289897

約数の個数: 24

約数和(自身を含む): 365223600

約数和(自身を除く): 197105380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 289859, 579718, 1159436, 1449295, 2898590, 5797180, 8405911, 16811822, 33623644, 42029555, 84059110, 168118220]

約数ペア:

[(1, 168118220), (2, 84059110), (4, 42029555), (5, 33623644), (10, 16811822), (20, 8405911), (29, 5797180), (58, 2898590), (116, 1449295), (145, 1159436), (290, 579718), (580, 289859)]