304864640

素因数分解:

$2^7\times 5^1\times {\mathrm{476351}}^1$

素因数の和:476370

約数の個数: 32

約数和(自身を含む): 728818560

約数和(自身を除く): 423953920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 476351, 952702, 1905404, 2381755, 3810808, 4763510, 7621616, 9527020, 15243232, 19054040, 30486464, 38108080, 60972928, 76216160, 152432320, 304864640]

約数ペア:

[(1, 304864640), (2, 152432320), (4, 76216160), (5, 60972928), (8, 38108080), (10, 30486464), (16, 19054040), (20, 15243232), (32, 9527020), (40, 7621616), (64, 4763510), (80, 3810808), (128, 2381755), (160, 1905404), (320, 952702), (640, 476351)]