166704290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{4409}}^1$

素因数の和:4634

約数の個数: 32

約数和(自身を含む): 317520000

約数和(自身を除く): 150815710

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 199, 398, 995, 1990, 3781, 4409, 7562, 8818, 18905, 22045, 37810, 44090, 83771, 167542, 418855, 837710, 877391, 1754782, 4386955, 8773910, 16670429, 33340858, 83352145, 166704290]

約数ペア:

[(1, 166704290), (2, 83352145), (5, 33340858), (10, 16670429), (19, 8773910), (38, 4386955), (95, 1754782), (190, 877391), (199, 837710), (398, 418855), (995, 167542), (1990, 83771), (3781, 44090), (4409, 37810), (7562, 22045), (8818, 18905)]