What are some of the areas Pythagoras contributed to?

Pythagoras made significant contributions to mathematics, particularly in the study of geometry and number theory. He is best known for the Pythagorean theorem, which relates the sides of a right triangle. Additionally, he explored the properties of numbers, including perfect and amicable numbers, and made advancements in the understanding of ratiOS and musical harmony. His philosophical ideas also influenced later developments in mathematics and science.