2087666420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{784837}}^1$

素因数の和:784872

約数の個数: 48

約数和(自身を含む): 5274111360

約数和(自身を除く): 3186444940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 784837, 1569674, 3139348, 3924185, 5493859, 7848370, 10987718, 14911903, 15696740, 21975436, 27469295, 29823806, 54938590, 59647612, 74559515, 104383321, 109877180, 149119030, 208766642, 298238060, 417533284, 521916605, 1043833210, 2087666420]

約数ペア:

[(1, 2087666420), (2, 1043833210), (4, 521916605), (5, 417533284), (7, 298238060), (10, 208766642), (14, 149119030), (19, 109877180), (20, 104383321), (28, 74559515), (35, 59647612), (38, 54938590), (70, 29823806), (76, 27469295), (95, 21975436), (133, 15696740), (140, 14911903), (190, 10987718), (266, 7848370), (380, 5493859), (532, 3924185), (665, 3139348), (1330, 1569674), (2660, 784837)]