245082580

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{43609}}^1$

素因数の和:43899

約数の個数: 24

約数和(自身を含む): 516516840

約数和(自身を除く): 271434260

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 43609, 87218, 174436, 218045, 436090, 872180, 12254129, 24508258, 49016516, 61270645, 122541290, 245082580]

約数ペア:

[(1, 245082580), (2, 122541290), (4, 61270645), (5, 49016516), (10, 24508258), (20, 12254129), (281, 872180), (562, 436090), (1124, 218045), (1405, 174436), (2810, 87218), (5620, 43609)]