分母是498的最简真分数有几个

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select * from tbl_Articles WHERE ArticleID=194274 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=194274 LIMIT 0,1
select * from tbl_Articles_sphinx where id=194274 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1094442,1131841,1129433,1099121,1053224,1058705,1060875,1305740,1126086,1048802,1345992,987495,1067089,1129293,1100639,1014587,1060887,1120372,1125047,1063213,1080086,1097505,1104671,988780,1125027,1041639,1126464,1064553,1083946,982771) ORDER BY field (ArticleID,1094442,1131841,1129433,1099121,1053224,1058705,1060875,1305740,1126086,1048802,1345992,987495,1067089,1129293,1100639,1014587,1060887,1120372,1125047,1063213,1080086,1097505,1104671,988780,1125027,1041639,1126464,1064553,1083946,982771)