Given the task definition and input, reply with output. In this task, you are given a list of integers you need to calculate and return the range of the integers which is the difference between maximum and minimum element in the list.

[144, 25, 209, 322, 402, 157, 242, 368, 289, 356, 485, 106, 104, 377, 355, 29, 62, 239, 253, 186]

460