181509890

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1\times {\mathrm{463}}^1$

素因数の和:866

約数の個数: 32

約数和(自身を含む): 330739200

約数和(自身を除く): 149229310

約数列:

[1, 2, 5, 10, 197, 199, 394, 398, 463, 926, 985, 995, 1970, 1990, 2315, 4630, 39203, 78406, 91211, 92137, 182422, 184274, 196015, 392030, 456055, 460685, 912110, 921370, 18150989, 36301978, 90754945, 181509890]

約数ペア:

[(1, 181509890), (2, 90754945), (5, 36301978), (10, 18150989), (197, 921370), (199, 912110), (394, 460685), (398, 456055), (463, 392030), (926, 196015), (985, 184274), (995, 182422), (1970, 92137), (1990, 91211), (2315, 78406), (4630, 39203)]