1990457870

素因数分解:

$2^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{593}}^1\times {\mathrm{3137}}^1$

素因数の和:3844

約数の個数: 32

約数和(自身を含む): 3623561568

約数和(自身を除く): 1633103698

約数列:

[1, 2, 5, 10, 107, 214, 535, 593, 1070, 1186, 2965, 3137, 5930, 6274, 15685, 31370, 63451, 126902, 317255, 335659, 634510, 671318, 1678295, 1860241, 3356590, 3720482, 9301205, 18602410, 199045787, 398091574, 995228935, 1990457870]

約数ペア:

[(1, 1990457870), (2, 995228935), (5, 398091574), (10, 199045787), (107, 18602410), (214, 9301205), (535, 3720482), (593, 3356590), (1070, 1860241), (1186, 1678295), (2965, 671318), (3137, 634510), (5930, 335659), (6274, 317255), (15685, 126902), (31370, 63451)]