2643500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 6132672

約数和(自身を除く): 3489172

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 311, 340, 425, 500, 622, 850, 1244, 1555, 1700, 2125, 3110, 4250, 5287, 6220, 7775, 8500, 10574, 15550, 21148, 26435, 31100, 38875, 52870, 77750, 105740, 132175, 155500, 264350, 528700, 660875, 1321750, 2643500]

約数ペア:

[(1, 2643500), (2, 1321750), (4, 660875), (5, 528700), (10, 264350), (17, 155500), (20, 132175), (25, 105740), (34, 77750), (50, 52870), (68, 38875), (85, 31100), (100, 26435), (125, 21148), (170, 15550), (250, 10574), (311, 8500), (340, 7775), (425, 6220), (500, 5287), (622, 4250), (850, 3110), (1244, 2125), (1555, 1700)]