7220540

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2423}}^1$

素因数の和:2581

約数の個数: 24

約数和(自身を含む): 15271200

約数和(自身を除く): 8050660

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2423, 2980, 4846, 9692, 12115, 24230, 48460, 361027, 722054, 1444108, 1805135, 3610270, 7220540]

約数ペア:

[(1, 7220540), (2, 3610270), (4, 1805135), (5, 1444108), (10, 722054), (20, 361027), (149, 48460), (298, 24230), (596, 12115), (745, 9692), (1490, 4846), (2423, 2980)]