31486180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{857}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 72648576

約数和(自身を除く): 41162396

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 167, 220, 334, 668, 835, 857, 1670, 1714, 1837, 3340, 3428, 3674, 4285, 7348, 8570, 9185, 9427, 17140, 18370, 18854, 36740, 37708, 47135, 94270, 143119, 188540, 286238, 572476, 715595, 1431190, 1574309, 2862380, 3148618, 6297236, 7871545, 15743090, 31486180]

約数ペア:

[(1, 31486180), (2, 15743090), (4, 7871545), (5, 6297236), (10, 3148618), (11, 2862380), (20, 1574309), (22, 1431190), (44, 715595), (55, 572476), (110, 286238), (167, 188540), (220, 143119), (334, 94270), (668, 47135), (835, 37708), (857, 36740), (1670, 18854), (1714, 18370), (1837, 17140), (3340, 9427), (3428, 9185), (3674, 8570), (4285, 7348)]