Now Slightly Less Hacky Brute Force of Projec Euler 12 in Rust

cargo.toml

[package]
name = "euler12"
version = "0.1.0"

[[bin]]
    name = "euler12"
    path = "euler12.rs"

euler12.rs

fn find_divisors(n: u64) -> usize {

    let rt = (n as f64).sqrt() as u64;
    let mut nod = (1..rt)
        .filter(|i| (n % i) == 0)
        .count() * 2;
    if (rt * rt) == n {
        nod += 1;
    }
    nod
}

fn main() {

    let mut n = 0;
    let mut i = 1;
    
    while find_divisors(n) < 500 {
        n += i;
        i += 1;
    }

    println!("Found {:?}", n);
}