172404920

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{28927}}^1$

素因数の和:29087

約数の個数: 32

約数和(自身を含む): 390528000

約数和(自身を除く): 218123080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 28927, 57854, 115708, 144635, 231416, 289270, 578540, 1157080, 4310123, 8620246, 17240492, 21550615, 34480984, 43101230, 86202460, 172404920]

約数ペア:

[(1, 172404920), (2, 86202460), (4, 43101230), (5, 34480984), (8, 21550615), (10, 17240492), (20, 8620246), (40, 4310123), (149, 1157080), (298, 578540), (596, 289270), (745, 231416), (1192, 144635), (1490, 115708), (2980, 57854), (5960, 28927)]