204544220

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{68639}}^1$

素因数の和:68797

約数の個数: 24

約数和(自身を含む): 432432000

約数和(自身を除く): 227887780

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 68639, 137278, 274556, 343195, 686390, 1372780, 10227211, 20454422, 40908844, 51136055, 102272110, 204544220]

約数ペア:

[(1, 204544220), (2, 102272110), (4, 51136055), (5, 40908844), (10, 20454422), (20, 10227211), (149, 1372780), (298, 686390), (596, 343195), (745, 274556), (1490, 137278), (2980, 68639)]