75=3x5x5=3x5² =3divizori
350=2x5x5x7=2x5²x7 =4 divizori
1750=2x5x5x5x7=2x5³x7 =5 divizori
96100=2x2x5x5x31x31=2²x5²x31² =6 divizori
212000=2x2x2x2x2x5x5x5x53=2⁵x5³x53 =9 divizori
400=2x2x2x2x5x5=2⁴x5² =6 divizori
850=2x5x5x17=2x5²x17 =4 divizori
1650=2x3x5x5x11=2x3x5²x11 =5divizori