329808280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{191749}}^1$

素因数の和:191803

約数の個数: 32

約数和(自身を含む): 759330000

約数和(自身を除く): 429521720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 191749, 383498, 766996, 958745, 1533992, 1917490, 3834980, 7669960, 8245207, 16490414, 32980828, 41226035, 65961656, 82452070, 164904140, 329808280]

約数ペア:

[(1, 329808280), (2, 164904140), (4, 82452070), (5, 65961656), (8, 41226035), (10, 32980828), (20, 16490414), (40, 8245207), (43, 7669960), (86, 3834980), (172, 1917490), (215, 1533992), (344, 958745), (430, 766996), (860, 383498), (1720, 191749)]