100115905

素因数分解:

$5^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1\times {\mathrm{421}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 121536000

約数和(自身を除く): 21420095

約数列:

[1, 5, 199, 239, 421, 995, 1195, 2105, 47561, 83779, 100619, 237805, 418895, 503095, 20023181, 100115905]

約数ペア:

[(1, 100115905), (5, 20023181), (199, 503095), (239, 418895), (421, 237805), (995, 100619), (1195, 83779), (2105, 47561)]