2428025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 3314520

約数和(自身を除く): 886495

約数列:

[1, 5, 17, 25, 29, 85, 145, 197, 425, 493, 725, 985, 2465, 3349, 4925, 5713, 12325, 16745, 28565, 83725, 97121, 142825, 485605, 2428025]

約数ペア:

[(1, 2428025), (5, 485605), (17, 142825), (25, 97121), (29, 83725), (85, 28565), (145, 16745), (197, 12325), (425, 5713), (493, 4925), (725, 3349), (985, 2465)]