1392202220

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{508103}}^1$

素因数の和:508249

約数の個数: 24

約数和(自身を含む): 2944970784

約数和(自身を除く): 1552768564

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 508103, 1016206, 2032412, 2540515, 5081030, 10162060, 69610111, 139220222, 278440444, 348050555, 696101110, 1392202220]

約数ペア:

[(1, 1392202220), (2, 696101110), (4, 348050555), (5, 278440444), (10, 139220222), (20, 69610111), (137, 10162060), (274, 5081030), (548, 2540515), (685, 2032412), (1370, 1016206), (2740, 508103)]