280875124

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{499}}^1\times {\mathrm{1291}}^1$

素因数の和:1903

約数の個数: 24

約数和(自身を含む): 497420000

約数和(自身を除く): 216544876

約数列:

[1, 2, 4, 109, 218, 436, 499, 998, 1291, 1996, 2582, 5164, 54391, 108782, 140719, 217564, 281438, 562876, 644209, 1288418, 2576836, 70218781, 140437562, 280875124]

約数ペア:

[(1, 280875124), (2, 140437562), (4, 70218781), (109, 2576836), (218, 1288418), (436, 644209), (499, 562876), (998, 281438), (1291, 217564), (1996, 140719), (2582, 108782), (5164, 54391)]