839142740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{531103}}^1$

素因数の和:531191

約数の個数: 24

約数和(自身を含む): 1784509440

約数和(自身を除く): 945366700

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 531103, 1062206, 2124412, 2655515, 5311030, 10622060, 41957137, 83914274, 167828548, 209785685, 419571370, 839142740]

約数ペア:

[(1, 839142740), (2, 419571370), (4, 209785685), (5, 167828548), (10, 83914274), (20, 41957137), (79, 10622060), (158, 5311030), (316, 2655515), (395, 2124412), (790, 1062206), (1580, 531103)]