706991440

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{81077}}^1$

素因数の和:81199

約数の個数: 40

約数和(自身を含む): 1658855880

約数和(自身を除く): 951864440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 81077, 162154, 324308, 405385, 648616, 810770, 1297232, 1621540, 3243080, 6486160, 8837393, 17674786, 35349572, 44186965, 70699144, 88373930, 141398288, 176747860, 353495720, 706991440]

約数ペア:

[(1, 706991440), (2, 353495720), (4, 176747860), (5, 141398288), (8, 88373930), (10, 70699144), (16, 44186965), (20, 35349572), (40, 17674786), (80, 8837393), (109, 6486160), (218, 3243080), (436, 1621540), (545, 1297232), (872, 810770), (1090, 648616), (1744, 405385), (2180, 324308), (4360, 162154), (8720, 81077)]