388670380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2776217}}^1$

素因数の和:2776233

約数の個数: 24

約数和(自身を含む): 932809248

約数和(自身を除く): 544138868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2776217, 5552434, 11104868, 13881085, 19433519, 27762170, 38867038, 55524340, 77734076, 97167595, 194335190, 388670380]

約数ペア:

[(1, 388670380), (2, 194335190), (4, 97167595), (5, 77734076), (7, 55524340), (10, 38867038), (14, 27762170), (20, 19433519), (28, 13881085), (35, 11104868), (70, 5552434), (140, 2776217)]