197620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 426888

約数和(自身を除く): 229268

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 241, 410, 482, 820, 964, 1205, 2410, 4820, 9881, 19762, 39524, 49405, 98810, 197620]

約数ペア:

[(1, 197620), (2, 98810), (4, 49405), (5, 39524), (10, 19762), (20, 9881), (41, 4820), (82, 2410), (164, 1205), (205, 964), (241, 820), (410, 482)]