280826800

素因数分解:

$2^4\times 5^2\times {\mathrm{702067}}^1$

素因数の和:702085

約数の個数: 30

約数和(自身を含む): 674687348

約数和(自身を除く): 393860548

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 702067, 1404134, 2808268, 3510335, 5616536, 7020670, 11233072, 14041340, 17551675, 28082680, 35103350, 56165360, 70206700, 140413400, 280826800]

約数ペア:

[(1, 280826800), (2, 140413400), (4, 70206700), (5, 56165360), (8, 35103350), (10, 28082680), (16, 17551675), (20, 14041340), (25, 11233072), (40, 7020670), (50, 5616536), (80, 3510335), (100, 2808268), (200, 1404134), (400, 702067)]