440188

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 896000

約数和(自身を除く): 455812

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 199, 316, 398, 553, 796, 1106, 1393, 2212, 2786, 5572, 15721, 31442, 62884, 110047, 220094, 440188]

約数ペア:

[(1, 440188), (2, 220094), (4, 110047), (7, 62884), (14, 31442), (28, 15721), (79, 5572), (158, 2786), (199, 2212), (316, 1393), (398, 1106), (553, 796)]