30784040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109943}}^1$

素因数の和:109961

約数の個数: 32

約数和(自身を含む): 79159680

約数和(自身を除く): 48375640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 109943, 219886, 439772, 549715, 769601, 879544, 1099430, 1539202, 2198860, 3078404, 3848005, 4397720, 6156808, 7696010, 15392020, 30784040]

約数ペア:

[(1, 30784040), (2, 15392020), (4, 7696010), (5, 6156808), (7, 4397720), (8, 3848005), (10, 3078404), (14, 2198860), (20, 1539202), (28, 1099430), (35, 879544), (40, 769601), (56, 549715), (70, 439772), (140, 219886), (280, 109943)]