1138390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:228

約数の個数: 32

約数和(自身を含む): 2280960

約数和(自身を除く): 1142570

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 131, 158, 262, 395, 655, 790, 869, 1310, 1441, 1738, 2882, 4345, 7205, 8690, 10349, 14410, 20698, 51745, 103490, 113839, 227678, 569195, 1138390]

約数ペア:

[(1, 1138390), (2, 569195), (5, 227678), (10, 113839), (11, 103490), (22, 51745), (55, 20698), (79, 14410), (110, 10349), (131, 8690), (158, 7205), (262, 4345), (395, 2882), (655, 1738), (790, 1441), (869, 1310)]