1321750

素因数分解:

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

素因数の和:345

約数の個数: 32

約数和(自身を含む): 2628288

約数和(自身を除く): 1306538

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 311, 425, 622, 850, 1555, 2125, 3110, 4250, 5287, 7775, 10574, 15550, 26435, 38875, 52870, 77750, 132175, 264350, 660875, 1321750]

約数ペア:

[(1, 1321750), (2, 660875), (5, 264350), (10, 132175), (17, 77750), (25, 52870), (34, 38875), (50, 26435), (85, 15550), (125, 10574), (170, 7775), (250, 5287), (311, 4250), (425, 3110), (622, 2125), (850, 1555)]