4437220

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1489}}^1$

素因数の和:1647

約数の個数: 24

約数和(自身を含む): 9387000

約数和(自身を除く): 4949780

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1489, 1490, 2978, 2980, 5956, 7445, 14890, 29780, 221861, 443722, 887444, 1109305, 2218610, 4437220]

約数ペア:

[(1, 4437220), (2, 2218610), (4, 1109305), (5, 887444), (10, 443722), (20, 221861), (149, 29780), (298, 14890), (596, 7445), (745, 5956), (1489, 2980), (1490, 2978)]