Verified answer

Existen 8 divisores cuadrados perfectos de 900:

1, 4, 9, 25, 36, 100, 225 y 900:

900 / 1^2 = 900 / 1 = 900

900 / 2^2 = 900 / 4 = 225

900 / 3^2 = 900 / 9 = 100

900 / 5^2 = 900 / 25 = 36

900 / 6^2 = 900 / 36 = 25

900 / 10^2 = 900 / 100 = 9

900 / 15^2 = 900 / 225 = 4

900 / 30^2 = 900 / 900 = 1