205038260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1464559}}^1$

素因数の和:1464575

約数の個数: 24

約数和(自身を含む): 492092160

約数和(自身を除く): 287053900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1464559, 2929118, 5858236, 7322795, 10251913, 14645590, 20503826, 29291180, 41007652, 51259565, 102519130, 205038260]

約数ペア:

[(1, 205038260), (2, 102519130), (4, 51259565), (5, 41007652), (7, 29291180), (10, 20503826), (14, 14645590), (20, 10251913), (28, 7322795), (35, 5858236), (70, 2929118), (140, 1464559)]