8423500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1027

約数の個数: 48

約数和(自身を含む): 19498752

約数和(自身を除く): 11075252

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 850, 991, 1700, 1982, 2125, 3964, 4250, 4955, 8500, 9910, 16847, 19820, 24775, 33694, 49550, 67388, 84235, 99100, 123875, 168470, 247750, 336940, 421175, 495500, 842350, 1684700, 2105875, 4211750, 8423500]

約数ペア:

[(1, 8423500), (2, 4211750), (4, 2105875), (5, 1684700), (10, 842350), (17, 495500), (20, 421175), (25, 336940), (34, 247750), (50, 168470), (68, 123875), (85, 99100), (100, 84235), (125, 67388), (170, 49550), (250, 33694), (340, 24775), (425, 19820), (500, 16847), (850, 9910), (991, 8500), (1700, 4955), (1982, 4250), (2125, 3964)]