290220895

素因数分解:

$5^1\times {\mathrm{293}}^1\times {\mathrm{397}}^1\times {\mathrm{499}}^1$

素因数の和:1194

約数の個数: 16

約数和(自身を含む): 351036000

約数和(自身を除く): 60815105

約数列:

[1, 5, 293, 397, 499, 1465, 1985, 2495, 116321, 146207, 198103, 581605, 731035, 990515, 58044179, 290220895]

約数ペア:

[(1, 290220895), (5, 58044179), (293, 990515), (397, 731035), (499, 581605), (1465, 198103), (1985, 146207), (2495, 116321)]