7027400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{857}}^1$

素因数の和:914

約数の個数: 48

約数和(自身を含む): 16756740

約数和(自身を除く): 9729340

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 857, 1025, 1640, 1714, 2050, 3428, 4100, 4285, 6856, 8200, 8570, 17140, 21425, 34280, 35137, 42850, 70274, 85700, 140548, 171400, 175685, 281096, 351370, 702740, 878425, 1405480, 1756850, 3513700, 7027400]

約数ペア:

[(1, 7027400), (2, 3513700), (4, 1756850), (5, 1405480), (8, 878425), (10, 702740), (20, 351370), (25, 281096), (40, 175685), (41, 171400), (50, 140548), (82, 85700), (100, 70274), (164, 42850), (200, 35137), (205, 34280), (328, 21425), (410, 17140), (820, 8570), (857, 8200), (1025, 6856), (1640, 4285), (1714, 4100), (2050, 3428)]