390400084

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{613}}^1\times {\mathrm{1409}}^1$

素因数の和:2139

約数の個数: 24

約数和(自身を含む): 690860520

約数和(自身を除く): 300460436

約数列:

[1, 2, 4, 113, 226, 452, 613, 1226, 1409, 2452, 2818, 5636, 69269, 138538, 159217, 277076, 318434, 636868, 863717, 1727434, 3454868, 97600021, 195200042, 390400084]

約数ペア:

[(1, 390400084), (2, 195200042), (4, 97600021), (113, 3454868), (226, 1727434), (452, 863717), (613, 636868), (1226, 318434), (1409, 277076), (2452, 159217), (2818, 138538), (5636, 69269)]