387219080

素因数分解:

$2^3\times 5^1\times {\mathrm{9680477}}^1$

素因数の和:9680488

約数の個数: 16

約数和(自身を含む): 871243020

約数和(自身を除く): 484023940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9680477, 19360954, 38721908, 48402385, 77443816, 96804770, 193609540, 387219080]

約数ペア:

[(1, 387219080), (2, 193609540), (4, 96804770), (5, 77443816), (8, 48402385), (10, 38721908), (20, 19360954), (40, 9680477)]