31487620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{233}}^2$

素因数の和:504

約数の個数: 36

約数和(自身を含む): 68698980

約数和(自身を除く): 37211360

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 233, 290, 466, 580, 932, 1165, 2330, 4660, 6757, 13514, 27028, 33785, 54289, 67570, 108578, 135140, 217156, 271445, 542890, 1085780, 1574381, 3148762, 6297524, 7871905, 15743810, 31487620]

約数ペア:

[(1, 31487620), (2, 15743810), (4, 7871905), (5, 6297524), (10, 3148762), (20, 1574381), (29, 1085780), (58, 542890), (116, 271445), (145, 217156), (233, 135140), (290, 108578), (466, 67570), (580, 54289), (932, 33785), (1165, 27028), (2330, 13514), (4660, 6757)]