71456660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{857}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 164324160

約数和(自身を除く): 92867500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 379, 758, 857, 1516, 1714, 1895, 3428, 3790, 4169, 4285, 7580, 8338, 8570, 9427, 16676, 17140, 18854, 20845, 37708, 41690, 47135, 83380, 94270, 188540, 324803, 649606, 1299212, 1624015, 3248030, 3572833, 6496060, 7145666, 14291332, 17864165, 35728330, 71456660]

約数ペア:

[(1, 71456660), (2, 35728330), (4, 17864165), (5, 14291332), (10, 7145666), (11, 6496060), (20, 3572833), (22, 3248030), (44, 1624015), (55, 1299212), (110, 649606), (220, 324803), (379, 188540), (758, 94270), (857, 83380), (1516, 47135), (1714, 41690), (1895, 37708), (3428, 20845), (3790, 18854), (4169, 17140), (4285, 16676), (7580, 9427), (8338, 8570)]