542784575

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{1433}}^1$

素因数の和:1691

約数の個数: 24

約数和(自身を含む): 684591600

約数和(自身を除く): 141807025

約数列:

[1, 5, 25, 109, 139, 545, 695, 1433, 2725, 3475, 7165, 15151, 35825, 75755, 156197, 199187, 378775, 780985, 995935, 3904925, 4979675, 21711383, 108556915, 542784575]

約数ペア:

[(1, 542784575), (5, 108556915), (25, 21711383), (109, 4979675), (139, 3904925), (545, 995935), (695, 780985), (1433, 378775), (2725, 199187), (3475, 156197), (7165, 75755), (15151, 35825)]