THE NITIAN

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I always wanted to be an NITIAN and hence the lord granted me my wish and transformed me into an NITian.So, I ended up forgetting everything that I had learned when I was a pure non-NITian human. So, I forgot how to calculate LCM and also how to calcuate AVERAGE. so I need help in calculating the same. So, I give you a positive integer $N$ and you give me the AVERAGE of LCM of all positive numb

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solution.cppC++17

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