Project Euler Problem #12

February 21, 2009
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(This article was first published on The Research Kitchen Weblog » R, and kindly contributed to R-bloggers)

Problem 12 on the Project Euler site asks: What is the value of the first triangle number to have over five hundred divisors? A triangular number T(n) is defined as . The R code below consists of a solution, which involves the fact that the number of proper divisors of an integer n can be [...]

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