指定された範囲内で奇数の因数を持つ要素の数を取得する Java プログラム

import java.io.*;
import java.util.*;
import java.lang.*;
public class Demo{
   public static int square_count(int low_range, int high_range){
      return (int)Math.pow((double)high_range,0.5) - (int)Math.pow((double)low_range-1,0.5);
   }
   public static void main (String[] args){
      int low_range = 55, high_range = 1000;
      System.out.print("The number of values with odd factors between a given range of numbers
      is : " + square_count(low_range, high_range));
   }
}

The number of values with odd factors between a given range of numbers is : 24