1323653420

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{444179}}^1$

素因数の和:444337

約数の個数: 24

約数和(自身を含む): 2798334000

約数和(自身を除く): 1474680580

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 444179, 888358, 1776716, 2220895, 4441790, 8883580, 66182671, 132365342, 264730684, 330913355, 661826710, 1323653420]

約数ペア:

[(1, 1323653420), (2, 661826710), (4, 330913355), (5, 264730684), (10, 132365342), (20, 66182671), (149, 8883580), (298, 4441790), (596, 2220895), (745, 1776716), (1490, 888358), (2980, 444179)]