31221460

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{10477}}^1$

素因数の和:10635

約数の個数: 24

約数和(自身を含む): 66011400

約数和(自身を除く): 34789940

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 10477, 20954, 41908, 52385, 104770, 209540, 1561073, 3122146, 6244292, 7805365, 15610730, 31221460]

約数ペア:

[(1, 31221460), (2, 15610730), (4, 7805365), (5, 6244292), (10, 3122146), (20, 1561073), (149, 209540), (298, 104770), (596, 52385), (745, 41908), (1490, 20954), (2980, 10477)]