2831080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{10111}}^1$

素因数の和:10129

約数の個数: 32

約数和(自身を含む): 7280640

約数和(自身を除く): 4449560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 10111, 20222, 40444, 50555, 70777, 80888, 101110, 141554, 202220, 283108, 353885, 404440, 566216, 707770, 1415540, 2831080]

約数ペア:

[(1, 2831080), (2, 1415540), (4, 707770), (5, 566216), (7, 404440), (8, 353885), (10, 283108), (14, 202220), (20, 141554), (28, 101110), (35, 80888), (40, 70777), (56, 50555), (70, 40444), (140, 20222), (280, 10111)]