490633525

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{401}}^1\times {\mathrm{449}}^1$

素因数の和:969

約数の個数: 24

約数和(自身を含む): 616869000

約数和(自身を除く): 126235475

約数列:

[1, 5, 25, 109, 401, 449, 545, 2005, 2245, 2725, 10025, 11225, 43709, 48941, 180049, 218545, 244705, 900245, 1092725, 1223525, 4501225, 19625341, 98126705, 490633525]

約数ペア:

[(1, 490633525), (5, 98126705), (25, 19625341), (109, 4501225), (401, 1223525), (449, 1092725), (545, 900245), (2005, 244705), (2245, 218545), (2725, 180049), (10025, 48941), (11225, 43709)]