280451894

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{37087}}^1$

素因数の和:37307

約数の個数: 16

約数和(自身を含む): 445056000

約数和(自身を除く): 164604106

約数列:

[1, 2, 19, 38, 199, 398, 3781, 7562, 37087, 74174, 704653, 1409306, 7380313, 14760626, 140225947, 280451894]

約数ペア:

[(1, 280451894), (2, 140225947), (19, 14760626), (38, 7380313), (199, 1409306), (398, 704653), (3781, 74174), (7562, 37087)]