139604590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{17921}}^1$

素因数の和:17988

約数の個数: 32

約数和(自身を含む): 270980640

約数和(自身を除く): 131376050

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 3895, 7790, 17921, 35842, 89605, 179210, 340499, 680998, 734761, 1469522, 1702495, 3404990, 3673805, 7347610, 13960459, 27920918, 69802295, 139604590]

約数ペア:

[(1, 139604590), (2, 69802295), (5, 27920918), (10, 13960459), (19, 7347610), (38, 3673805), (41, 3404990), (82, 1702495), (95, 1469522), (190, 734761), (205, 680998), (410, 340499), (779, 179210), (1558, 89605), (3895, 35842), (7790, 17921)]