1908676660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{43597}}^1$

素因数の和:43816

約数の個数: 48

約数和(自身を含む): 4394678400

約数和(自身を除く): 2486001740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1990, 2189, 3980, 4378, 8756, 10945, 21890, 43597, 43780, 87194, 174388, 217985, 435970, 479567, 871940, 959134, 1918268, 2397835, 4795670, 8675803, 9591340, 17351606, 34703212, 43379015, 86758030, 95433833, 173516060, 190867666, 381735332, 477169165, 954338330, 1908676660]

約数ペア:

[(1, 1908676660), (2, 954338330), (4, 477169165), (5, 381735332), (10, 190867666), (11, 173516060), (20, 95433833), (22, 86758030), (44, 43379015), (55, 34703212), (110, 17351606), (199, 9591340), (220, 8675803), (398, 4795670), (796, 2397835), (995, 1918268), (1990, 959134), (2189, 871940), (3980, 479567), (4378, 435970), (8756, 217985), (10945, 174388), (21890, 87194), (43597, 43780)]