386914960

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{12433}}^1$

素因数の和:12835

約数の個数: 40

約数和(自身を含む): 901962360

約数和(自身を除く): 515047400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1945, 3112, 3890, 6224, 7780, 12433, 15560, 24866, 31120, 49732, 62165, 99464, 124330, 198928, 248660, 497320, 994640, 4836437, 9672874, 19345748, 24182185, 38691496, 48364370, 77382992, 96728740, 193457480, 386914960]

約数ペア:

[(1, 386914960), (2, 193457480), (4, 96728740), (5, 77382992), (8, 48364370), (10, 38691496), (16, 24182185), (20, 19345748), (40, 9672874), (80, 4836437), (389, 994640), (778, 497320), (1556, 248660), (1945, 198928), (3112, 124330), (3890, 99464), (6224, 62165), (7780, 49732), (12433, 31120), (15560, 24866)]