27886180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1433}}^1$

素因数の和:1588

約数の個数: 48

約数和(自身を含む): 67455360

約数和(自身を除く): 39569180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1433, 1946, 2780, 2866, 3892, 4865, 5732, 7165, 9730, 10031, 14330, 19460, 20062, 28660, 40124, 50155, 100310, 199187, 200620, 398374, 796748, 995935, 1394309, 1991870, 2788618, 3983740, 5577236, 6971545, 13943090, 27886180]

約数ペア:

[(1, 27886180), (2, 13943090), (4, 6971545), (5, 5577236), (7, 3983740), (10, 2788618), (14, 1991870), (20, 1394309), (28, 995935), (35, 796748), (70, 398374), (139, 200620), (140, 199187), (278, 100310), (556, 50155), (695, 40124), (973, 28660), (1390, 20062), (1433, 19460), (1946, 14330), (2780, 10031), (2866, 9730), (3892, 7165), (4865, 5732)]