257927090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{4831}}^1$

素因数の和:5138

約数の個数: 32

約数和(自身を含む): 490544640

約数和(自身を除く): 232617550

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 281, 562, 1405, 2810, 4831, 5339, 9662, 10678, 24155, 26695, 48310, 53390, 91789, 183578, 458945, 917890, 1357511, 2715022, 6787555, 13575110, 25792709, 51585418, 128963545, 257927090]

約数ペア:

[(1, 257927090), (2, 128963545), (5, 51585418), (10, 25792709), (19, 13575110), (38, 6787555), (95, 2715022), (190, 1357511), (281, 917890), (562, 458945), (1405, 183578), (2810, 91789), (4831, 53390), (5339, 48310), (9662, 26695), (10678, 24155)]