171369980

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{40609}}^1$

素因数の和:40829

約数の個数: 24

約数和(自身を含む): 361591440

約数和(自身を除く): 190221460

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 40609, 81218, 162436, 203045, 406090, 812180, 8568499, 17136998, 34273996, 42842495, 85684990, 171369980]

約数ペア:

[(1, 171369980), (2, 85684990), (4, 42842495), (5, 34273996), (10, 17136998), (20, 8568499), (211, 812180), (422, 406090), (844, 203045), (1055, 162436), (2110, 81218), (4220, 40609)]