257602220

素因数分解:

$2^2\times 5^1\times {\mathrm{1493}}^1\times {\mathrm{8627}}^1$

素因数の和:10129

約数の個数: 24

約数和(自身を含む): 541389744

約数和(自身を除く): 283787524

約数列:

[1, 2, 4, 5, 10, 20, 1493, 2986, 5972, 7465, 8627, 14930, 17254, 29860, 34508, 43135, 86270, 172540, 12880111, 25760222, 51520444, 64400555, 128801110, 257602220]

約数ペア:

[(1, 257602220), (2, 128801110), (4, 64400555), (5, 51520444), (10, 25760222), (20, 12880111), (1493, 172540), (2986, 86270), (5972, 43135), (7465, 34508), (8627, 29860), (14930, 17254)]