280017475

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{4889}}^1$

素因数の和:5007

約数の個数: 24

約数和(自身を含む): 363816000

約数和(自身を除く): 83798525

約数列:

[1, 5, 25, 29, 79, 145, 395, 725, 1975, 2291, 4889, 11455, 24445, 57275, 122225, 141781, 386231, 708905, 1931155, 3544525, 9655775, 11200699, 56003495, 280017475]

約数ペア:

[(1, 280017475), (5, 56003495), (25, 11200699), (29, 9655775), (79, 3544525), (145, 1931155), (395, 708905), (725, 386231), (1975, 141781), (2291, 122225), (4889, 57275), (11455, 24445)]