220171790

素因数分解:

$2^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{123001}}^1$

素因数の和:123187

約数の個数: 16

約数和(自身を含む): 398526480

約数和(自身を除く): 178354690

約数列:

[1, 2, 5, 10, 179, 358, 895, 1790, 123001, 246002, 615005, 1230010, 22017179, 44034358, 110085895, 220171790]

約数ペア:

[(1, 220171790), (2, 110085895), (5, 44034358), (10, 22017179), (179, 1230010), (358, 615005), (895, 246002), (1790, 123001)]