220123660

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{73867}}^1$

素因数の和:74025

約数の個数: 24

約数和(自身を含む): 465368400

約数和(自身を除く): 245244740

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 73867, 147734, 295468, 369335, 738670, 1477340, 11006183, 22012366, 44024732, 55030915, 110061830, 220123660]

約数ペア:

[(1, 220123660), (2, 110061830), (4, 55030915), (5, 44024732), (10, 22012366), (20, 11006183), (149, 1477340), (298, 738670), (596, 369335), (745, 295468), (1490, 147734), (2980, 73867)]