200858660

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{463}}^1$

素因数の和:780

約数の個数: 48

約数和(自身を含む): 428736000

約数和(自身を除く): 227877340

約数列:

[1, 2, 4, 5, 10, 20, 109, 199, 218, 398, 436, 463, 545, 796, 926, 995, 1090, 1852, 1990, 2180, 2315, 3980, 4630, 9260, 21691, 43382, 50467, 86764, 92137, 100934, 108455, 184274, 201868, 216910, 252335, 368548, 433820, 460685, 504670, 921370, 1009340, 1842740, 10042933, 20085866, 40171732, 50214665, 100429330, 200858660]

約数ペア:

[(1, 200858660), (2, 100429330), (4, 50214665), (5, 40171732), (10, 20085866), (20, 10042933), (109, 1842740), (199, 1009340), (218, 921370), (398, 504670), (436, 460685), (463, 433820), (545, 368548), (796, 252335), (926, 216910), (995, 201868), (1090, 184274), (1852, 108455), (1990, 100934), (2180, 92137), (2315, 86764), (3980, 50467), (4630, 43382), (9260, 21691)]