426220

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 908208

約数和(自身を除く): 481988

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 211, 404, 422, 505, 844, 1010, 1055, 2020, 2110, 4220, 21311, 42622, 85244, 106555, 213110, 426220]

約数ペア:

[(1, 426220), (2, 213110), (4, 106555), (5, 85244), (10, 42622), (20, 21311), (101, 4220), (202, 2110), (211, 2020), (404, 1055), (422, 1010), (505, 844)]