490150675

素因数分解:

$5^2\times 7^2\times {\mathrm{400123}}^1$

素因数の和:400147

約数の個数: 18

約数和(自身を含む): 707019108

約数和(自身を除く): 216868433

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 400123, 2000615, 2800861, 10003075, 14004305, 19606027, 70021525, 98030135, 490150675]

約数ペア:

[(1, 490150675), (5, 98030135), (7, 70021525), (25, 19606027), (35, 14004305), (49, 10003075), (175, 2800861), (245, 2000615), (1225, 400123)]