1338622010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{2381}}^1$

素因数の和:2687

約数の個数: 64

約数和(自身を含む): 2778364800

約数和(自身を除く): 1439742790

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 269, 418, 538, 1045, 1345, 2090, 2381, 2690, 2959, 4762, 5111, 5918, 10222, 11905, 14795, 23810, 25555, 26191, 29590, 45239, 51110, 52382, 56221, 90478, 112442, 130955, 226195, 261910, 281105, 452390, 497629, 562210, 640489, 995258, 1280978, 2488145, 3202445, 4976290, 6404890, 7045379, 12169291, 14090758, 24338582, 35226895, 60846455, 70453790, 121692910, 133862201, 267724402, 669311005, 1338622010]

約数ペア:

[(1, 1338622010), (2, 669311005), (5, 267724402), (10, 133862201), (11, 121692910), (19, 70453790), (22, 60846455), (38, 35226895), (55, 24338582), (95, 14090758), (110, 12169291), (190, 7045379), (209, 6404890), (269, 4976290), (418, 3202445), (538, 2488145), (1045, 1280978), (1345, 995258), (2090, 640489), (2381, 562210), (2690, 497629), (2959, 452390), (4762, 281105), (5111, 261910), (5918, 226195), (10222, 130955), (11905, 112442), (14795, 90478), (23810, 56221), (25555, 52382), (26191, 51110), (29590, 45239)]