85393870

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1$

素因数の和:772

約数の個数: 32

約数和(自身を含む): 156420000

約数和(自身を除く): 71026130

約数列:

[1, 2, 5, 10, 109, 157, 218, 314, 499, 545, 785, 998, 1090, 1570, 2495, 4990, 17113, 34226, 54391, 78343, 85565, 108782, 156686, 171130, 271955, 391715, 543910, 783430, 8539387, 17078774, 42696935, 85393870]

約数ペア:

[(1, 85393870), (2, 42696935), (5, 17078774), (10, 8539387), (109, 783430), (157, 543910), (218, 391715), (314, 271955), (499, 171130), (545, 156686), (785, 108782), (998, 85565), (1090, 78343), (1570, 54391), (2495, 34226), (4990, 17113)]