265797020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{187181}}^1$

素因数の和:187261

約数の個数: 24

約数和(自身を含む): 566038368

約数和(自身を除く): 300241348

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 187181, 374362, 748724, 935905, 1871810, 3743620, 13289851, 26579702, 53159404, 66449255, 132898510, 265797020]

約数ペア:

[(1, 265797020), (2, 132898510), (4, 66449255), (5, 53159404), (10, 26579702), (20, 13289851), (71, 3743620), (142, 1871810), (284, 935905), (355, 748724), (710, 374362), (1420, 187181)]