217125320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{187177}}^1$

素因数の和:187217

約数の個数: 32

約数和(自身を含む): 505380600

約数和(自身を除く): 288255280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 187177, 374354, 748708, 935885, 1497416, 1871770, 3743540, 5428133, 7487080, 10856266, 21712532, 27140665, 43425064, 54281330, 108562660, 217125320]

約数ペア:

[(1, 217125320), (2, 108562660), (4, 54281330), (5, 43425064), (8, 27140665), (10, 21712532), (20, 10856266), (29, 7487080), (40, 5428133), (58, 3743540), (116, 1871770), (145, 1497416), (232, 935885), (290, 748708), (580, 374354), (1160, 187177)]