210849620

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{104381}}^1$

素因数の和:104491

約数の個数: 24

約数和(自身を含む): 447172488

約数和(自身を除く): 236322868

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 104381, 208762, 417524, 521905, 1043810, 2087620, 10542481, 21084962, 42169924, 52712405, 105424810, 210849620]

約数ペア:

[(1, 210849620), (2, 105424810), (4, 52712405), (5, 42169924), (10, 21084962), (20, 10542481), (101, 2087620), (202, 1043810), (404, 521905), (505, 417524), (1010, 208762), (2020, 104381)]