1237839280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{359837}}^1$

素因数の和:359893

約数の個数: 40

約数和(自身を含む): 2944914192

約数和(自身を除く): 1707074912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 359837, 719674, 1439348, 1799185, 2878696, 3598370, 5757392, 7196740, 14393480, 15472991, 28786960, 30945982, 61891964, 77364955, 123783928, 154729910, 247567856, 309459820, 618919640, 1237839280]

約数ペア:

[(1, 1237839280), (2, 618919640), (4, 309459820), (5, 247567856), (8, 154729910), (10, 123783928), (16, 77364955), (20, 61891964), (40, 30945982), (43, 28786960), (80, 15472991), (86, 14393480), (172, 7196740), (215, 5757392), (344, 3598370), (430, 2878696), (688, 1799185), (860, 1439348), (1720, 719674), (3440, 359837)]