839731640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{17509}}^1$

素因数の和:17640

約数の個数: 64

約数和(自身を含む): 2080188000

約数和(自身を除く): 1240456360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 109, 110, 218, 220, 436, 440, 545, 872, 1090, 1199, 2180, 2398, 4360, 4796, 5995, 9592, 11990, 17509, 23980, 35018, 47960, 70036, 87545, 140072, 175090, 192599, 350180, 385198, 700360, 770396, 962995, 1540792, 1908481, 1925990, 3816962, 3851980, 7633924, 7703960, 9542405, 15267848, 19084810, 20993291, 38169620, 41986582, 76339240, 83973164, 104966455, 167946328, 209932910, 419865820, 839731640]

約数ペア:

[(1, 839731640), (2, 419865820), (4, 209932910), (5, 167946328), (8, 104966455), (10, 83973164), (11, 76339240), (20, 41986582), (22, 38169620), (40, 20993291), (44, 19084810), (55, 15267848), (88, 9542405), (109, 7703960), (110, 7633924), (218, 3851980), (220, 3816962), (436, 1925990), (440, 1908481), (545, 1540792), (872, 962995), (1090, 770396), (1199, 700360), (2180, 385198), (2398, 350180), (4360, 192599), (4796, 175090), (5995, 140072), (9592, 87545), (11990, 70036), (17509, 47960), (23980, 35018)]