1380342605

素因数分解:

$5^1\times {\mathrm{199}}^1\times {\mathrm{701}}^1\times {\mathrm{1979}}^1$

素因数の和:2884

約数の個数: 16

約数和(自身を含む): 1667952000

約数和(自身を除く): 287609395

約数列:

[1, 5, 199, 701, 995, 1979, 3505, 9895, 139499, 393821, 697495, 1387279, 1969105, 6936395, 276068521, 1380342605]

約数ペア:

[(1, 1380342605), (5, 276068521), (199, 6936395), (701, 1969105), (995, 1387279), (1979, 697495), (3505, 393821), (9895, 139499)]