307008640

素因数分解:

$2^7\times 5^1\times {\mathrm{479701}}^1$

素因数の和:479720

約数の個数: 32

約数和(自身を含む): 733944060

約数和(自身を除く): 426935420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 479701, 959402, 1918804, 2398505, 3837608, 4797010, 7675216, 9594020, 15350432, 19188040, 30700864, 38376080, 61401728, 76752160, 153504320, 307008640]

約数ペア:

[(1, 307008640), (2, 153504320), (4, 76752160), (5, 61401728), (8, 38376080), (10, 30700864), (16, 19188040), (20, 15350432), (32, 9594020), (40, 7675216), (64, 4797010), (80, 3837608), (128, 2398505), (160, 1918804), (320, 959402), (640, 479701)]