171092020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{2957}}^1$

素因数の和:3240

約数の個数: 48

約数和(自身を含む): 393579648

約数和(自身を除く): 222487628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 263, 526, 1052, 1315, 2630, 2893, 2957, 5260, 5786, 5914, 11572, 11828, 14465, 14785, 28930, 29570, 32527, 57860, 59140, 65054, 130108, 162635, 325270, 650540, 777691, 1555382, 3110764, 3888455, 7776910, 8554601, 15553820, 17109202, 34218404, 42773005, 85546010, 171092020]

約数ペア:

[(1, 171092020), (2, 85546010), (4, 42773005), (5, 34218404), (10, 17109202), (11, 15553820), (20, 8554601), (22, 7776910), (44, 3888455), (55, 3110764), (110, 1555382), (220, 777691), (263, 650540), (526, 325270), (1052, 162635), (1315, 130108), (2630, 65054), (2893, 59140), (2957, 57860), (5260, 32527), (5786, 29570), (5914, 28930), (11572, 14785), (11828, 14465)]