908403220

素因数分解:

$2^2\times 5^1\times {\mathrm{45420161}}^1$

素因数の和:45420170

約数の個数: 12

約数和(自身を含む): 1907646804

約数和(自身を除く): 999243584

約数列:

[1, 2, 4, 5, 10, 20, 45420161, 90840322, 181680644, 227100805, 454201610, 908403220]

約数ペア:

[(1, 908403220), (2, 454201610), (4, 227100805), (5, 181680644), (10, 90840322), (20, 45420161)]