13991740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{719}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 33868800

約数和(自身を除く): 19877060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 719, 973, 1390, 1438, 1946, 2780, 2876, 3595, 3892, 4865, 5033, 7190, 9730, 10066, 14380, 19460, 20132, 25165, 50330, 99941, 100660, 199882, 399764, 499705, 699587, 999410, 1399174, 1998820, 2798348, 3497935, 6995870, 13991740]

約数ペア:

[(1, 13991740), (2, 6995870), (4, 3497935), (5, 2798348), (7, 1998820), (10, 1399174), (14, 999410), (20, 699587), (28, 499705), (35, 399764), (70, 199882), (139, 100660), (140, 99941), (278, 50330), (556, 25165), (695, 20132), (719, 19460), (973, 14380), (1390, 10066), (1438, 9730), (1946, 7190), (2780, 5033), (2876, 4865), (3595, 3892)]