117705220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{82891}}^1$

素因数の和:82971

約数の個数: 24

約数和(自身を含む): 250665408

約数和(自身を除く): 132960188

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 82891, 165782, 331564, 414455, 828910, 1657820, 5885261, 11770522, 23541044, 29426305, 58852610, 117705220]

約数ペア:

[(1, 117705220), (2, 58852610), (4, 29426305), (5, 23541044), (10, 11770522), (20, 5885261), (71, 1657820), (142, 828910), (284, 414455), (355, 331564), (710, 165782), (1420, 82891)]