128475870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{18701}}^1$

素因数の和:18940

約数の個数: 32

約数和(自身を含む): 309705120

約数和(自身を除く): 181229250

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 229, 458, 687, 1145, 1374, 2290, 3435, 6870, 18701, 37402, 56103, 93505, 112206, 187010, 280515, 561030, 4282529, 8565058, 12847587, 21412645, 25695174, 42825290, 64237935, 128475870]

約数ペア:

[(1, 128475870), (2, 64237935), (3, 42825290), (5, 25695174), (6, 21412645), (10, 12847587), (15, 8565058), (30, 4282529), (229, 561030), (458, 280515), (687, 187010), (1145, 112206), (1374, 93505), (2290, 56103), (3435, 37402), (6870, 18701)]