279412220

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{135637}}^1$

素因数の和:135749

約数の個数: 24

約数和(自身を含む): 592466784

約数和(自身を除く): 313054564

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 135637, 271274, 542548, 678185, 1356370, 2712740, 13970611, 27941222, 55882444, 69853055, 139706110, 279412220]

約数ペア:

[(1, 279412220), (2, 139706110), (4, 69853055), (5, 55882444), (10, 27941222), (20, 13970611), (103, 2712740), (206, 1356370), (412, 678185), (515, 542548), (1030, 271274), (2060, 135637)]