389699080

素因数分解:

$2^3\times 5^1\times {\mathrm{1697}}^1\times {\mathrm{5741}}^1$

素因数の和:7449

約数の個数: 32

約数和(自身を含む): 877492440

約数和(自身を除く): 487793360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1697, 3394, 5741, 6788, 8485, 11482, 13576, 16970, 22964, 28705, 33940, 45928, 57410, 67880, 114820, 229640, 9742477, 19484954, 38969908, 48712385, 77939816, 97424770, 194849540, 389699080]

約数ペア:

[(1, 389699080), (2, 194849540), (4, 97424770), (5, 77939816), (8, 48712385), (10, 38969908), (20, 19484954), (40, 9742477), (1697, 229640), (3394, 114820), (5741, 67880), (6788, 57410), (8485, 45928), (11482, 33940), (13576, 28705), (16970, 22964)]