388212820

素因数分解:

$2^2\times 5^1\times {\mathrm{877}}^1\times {\mathrm{22133}}^1$

素因数の和:23019

約数の個数: 24

約数和(自身を含む): 816213384

約数和(自身を除く): 428000564

約数列:

[1, 2, 4, 5, 10, 20, 877, 1754, 3508, 4385, 8770, 17540, 22133, 44266, 88532, 110665, 221330, 442660, 19410641, 38821282, 77642564, 97053205, 194106410, 388212820]

約数ペア:

[(1, 388212820), (2, 194106410), (4, 97053205), (5, 77642564), (10, 38821282), (20, 19410641), (877, 442660), (1754, 221330), (3508, 110665), (4385, 88532), (8770, 44266), (17540, 22133)]