how to set the big view area

hi some one please help me .i have hundreds of cubs i am able to draw those cubes the problem is viewing area.
cubes having the values
x - 0(min ) to 435420(max)
y - 0(min ) to 1104600(max)
z - 0(min) to 1000(max)

with is these limits only all my cubs are presented i want to see all my cubs…some one please tell me how to set the cemera to see all the cubes?

Don’t cross-post (

Also, more info needed (and i can not make heads or tails out of what is already given).