205099990

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1\times {\mathrm{769}}^1$

素因数の和:1104

約数の個数: 32

約数和(自身を含む): 374220000

約数和(自身を除く): 169120010

約数列:

[1, 2, 5, 10, 149, 179, 298, 358, 745, 769, 895, 1490, 1538, 1790, 3845, 7690, 26671, 53342, 114581, 133355, 137651, 229162, 266710, 275302, 572905, 688255, 1145810, 1376510, 20509999, 41019998, 102549995, 205099990]

約数ペア:

[(1, 205099990), (2, 102549995), (5, 41019998), (10, 20509999), (149, 1376510), (179, 1145810), (298, 688255), (358, 572905), (745, 275302), (769, 266710), (895, 229162), (1490, 137651), (1538, 133355), (1790, 114581), (3845, 53342), (7690, 26671)]