148288640

素因数分解:

$2^7\times 5^1\times {\mathrm{231701}}^1$

素因数の和:231720

約数の個数: 32

約数和(自身を含む): 354504060

約数和(自身を除く): 206215420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 231701, 463402, 926804, 1158505, 1853608, 2317010, 3707216, 4634020, 7414432, 9268040, 14828864, 18536080, 29657728, 37072160, 74144320, 148288640]

約数ペア:

[(1, 148288640), (2, 74144320), (4, 37072160), (5, 29657728), (8, 18536080), (10, 14828864), (16, 9268040), (20, 7414432), (32, 4634020), (40, 3707216), (64, 2317010), (80, 1853608), (128, 1158505), (160, 926804), (320, 463402), (640, 231701)]