2190160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3911}}^1$

素因数の和:3931

約数の個数: 40

約数和(自身を含む): 5821056

約数和(自身を除く): 3630896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3911, 7822, 15644, 19555, 27377, 31288, 39110, 54754, 62576, 78220, 109508, 136885, 156440, 219016, 273770, 312880, 438032, 547540, 1095080, 2190160]

約数ペア:

[(1, 2190160), (2, 1095080), (4, 547540), (5, 438032), (7, 312880), (8, 273770), (10, 219016), (14, 156440), (16, 136885), (20, 109508), (28, 78220), (35, 62576), (40, 54754), (56, 39110), (70, 31288), (80, 27377), (112, 19555), (140, 15644), (280, 7822), (560, 3911)]