218801860

素因数分解:

$2^2\times 5^1\times {\mathrm{2089}}^1\times {\mathrm{5237}}^1$

素因数の和:7335

約数の個数: 24

約数和(自身を含む): 459791640

約数和(自身を除く): 240989780

約数列:

[1, 2, 4, 5, 10, 20, 2089, 4178, 5237, 8356, 10445, 10474, 20890, 20948, 26185, 41780, 52370, 104740, 10940093, 21880186, 43760372, 54700465, 109400930, 218801860]

約数ペア:

[(1, 218801860), (2, 109400930), (4, 54700465), (5, 43760372), (10, 21880186), (20, 10940093), (2089, 104740), (4178, 52370), (5237, 41780), (8356, 26185), (10445, 20948), (10474, 20890)]