2189990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 4409856

約数和(自身を除く): 2219866

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 463, 473, 926, 946, 2315, 2365, 4630, 4730, 5093, 10186, 19909, 25465, 39818, 50930, 99545, 199090, 218999, 437998, 1094995, 2189990]

約数ペア:

[(1, 2189990), (2, 1094995), (5, 437998), (10, 218999), (11, 199090), (22, 99545), (43, 50930), (55, 39818), (86, 25465), (110, 19909), (215, 10186), (430, 5093), (463, 4730), (473, 4630), (926, 2365), (946, 2315)]