RIOPLATENSE 2014 Problem 2
El Chapulín observed that the number has an unusual property. By placing its eight positive divisors in increasing order, the fifth divisor is equal to three times the third minus . A number of eight divisors with this unusual property is called the red number . How many red numbers smaller than exist?
Dataset text AI-MO AoPS. Quoted with source.
Solutions
No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.
Similar problems
These problems have the most words in common with this statement.