Problem 52809. Easy Sequences 28: Sum of Radicals of Integers

The radical of a positive integer x is defined as the product of the distinct prime numbers dividing x. For example, the distinct prime factors of is , therefore the radical of is . Similarly, the radicals of , and are , 5 and , respectively, The number1is considered to be the radical of itself.
Given a limit n, find the sum of the radicals of all positive integers .
For , the radicals are: . Therefore, the output should be '41'.

Solution Stats

64.71% Correct | 35.29% Incorrect
Last Solution submitted on Apr 18, 2023

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers8

Suggested Problems

More from this Author116

Problem Tags

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!