206522920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{178037}}^1$

素因数の和:178077

約数の個数: 32

約数和(自身を含む): 480702600

約数和(自身を除く): 274179680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 178037, 356074, 712148, 890185, 1424296, 1780370, 3560740, 5163073, 7121480, 10326146, 20652292, 25815365, 41304584, 51630730, 103261460, 206522920]

約数ペア:

[(1, 206522920), (2, 103261460), (4, 51630730), (5, 41304584), (8, 25815365), (10, 20652292), (20, 10326146), (29, 7121480), (40, 5163073), (58, 3560740), (116, 1780370), (145, 1424296), (232, 890185), (290, 712148), (580, 356074), (1160, 178037)]