39254740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1409}}^1$

素因数の和:1624

約数の個数: 48

約数和(自身を含む): 94752000

約数和(自身を除く): 55497260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 796, 995, 1393, 1409, 1990, 2786, 2818, 3980, 5572, 5636, 6965, 7045, 9863, 13930, 14090, 19726, 27860, 28180, 39452, 49315, 98630, 197260, 280391, 560782, 1121564, 1401955, 1962737, 2803910, 3925474, 5607820, 7850948, 9813685, 19627370, 39254740]

約数ペア:

[(1, 39254740), (2, 19627370), (4, 9813685), (5, 7850948), (7, 5607820), (10, 3925474), (14, 2803910), (20, 1962737), (28, 1401955), (35, 1121564), (70, 560782), (140, 280391), (199, 197260), (398, 98630), (796, 49315), (995, 39452), (1393, 28180), (1409, 27860), (1990, 19726), (2786, 14090), (2818, 13930), (3980, 9863), (5572, 7045), (5636, 6965)]