100805005

素因数分解:

$5^1\times 7^2\times {\mathrm{411449}}^1$

素因数の和:411468

約数の個数: 12

約数和(自身を含む): 140715900

約数和(自身を除く): 39910895

約数列:

[1, 5, 7, 35, 49, 245, 411449, 2057245, 2880143, 14400715, 20161001, 100805005]

約数ペア:

[(1, 100805005), (5, 20161001), (7, 14400715), (35, 2880143), (49, 2057245), (245, 411449)]