849330620

素因数分解:

$2^2\times 5^1\times {\mathrm{2179}}^1\times {\mathrm{19489}}^1$

素因数の和:21677

約数の個数: 24

約数和(自身を含む): 1784504400

約数和(自身を除く): 935173780

約数列:

[1, 2, 4, 5, 10, 20, 2179, 4358, 8716, 10895, 19489, 21790, 38978, 43580, 77956, 97445, 194890, 389780, 42466531, 84933062, 169866124, 212332655, 424665310, 849330620]

約数ペア:

[(1, 849330620), (2, 424665310), (4, 212332655), (5, 169866124), (10, 84933062), (20, 42466531), (2179, 389780), (4358, 194890), (8716, 97445), (10895, 77956), (19489, 43580), (21790, 38978)]