249! = 12931425043636430929283258208097473883979374870695122666991769708451294990220444837955271661484112797803714029412757731706923726851235963291164121116285127686706108960757058932872164745044027331701460534715756358279742854120700162052715040308991732261609356024659302208995277746290344229596890565019331928819396550887106602565107435228612515915110691807655963377509914810356691893020601132967149282632753928249914330639235395302195200000000000000000000000000000000000000000000000000000000000
* 491 桁