1223888980

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{410701}}^1$

素因数の和:410859

約数の個数: 24

約数和(自身を含む): 2587422600

約数和(自身を除く): 1363533620

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 410701, 821402, 1642804, 2053505, 4107010, 8214020, 61194449, 122388898, 244777796, 305972245, 611944490, 1223888980]

約数ペア:

[(1, 1223888980), (2, 611944490), (4, 305972245), (5, 244777796), (10, 122388898), (20, 61194449), (149, 8214020), (298, 4107010), (596, 2053505), (745, 1642804), (1490, 821402), (2980, 410701)]