179868140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{1051}}^1$

素因数の和:1302

約数の個数: 48

約数和(自身を含む): 388819200

約数和(自身を除く): 208951060

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 199, 215, 398, 430, 796, 860, 995, 1051, 1990, 2102, 3980, 4204, 5255, 8557, 10510, 17114, 21020, 34228, 42785, 45193, 85570, 90386, 171140, 180772, 209149, 225965, 418298, 451930, 836596, 903860, 1045745, 2091490, 4182980, 8993407, 17986814, 35973628, 44967035, 89934070, 179868140]

約数ペア:

[(1, 179868140), (2, 89934070), (4, 44967035), (5, 35973628), (10, 17986814), (20, 8993407), (43, 4182980), (86, 2091490), (172, 1045745), (199, 903860), (215, 836596), (398, 451930), (430, 418298), (796, 225965), (860, 209149), (995, 180772), (1051, 171140), (1990, 90386), (2102, 85570), (3980, 45193), (4204, 42785), (5255, 34228), (8557, 21020), (10510, 17114)]