492400

素因数分解:

$2^4\times 5^2\times {\mathrm{1231}}^1$

素因数の和:1249

約数の個数: 30

約数和(自身を含む): 1183952

約数和(自身を除く): 691552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1231, 2462, 4924, 6155, 9848, 12310, 19696, 24620, 30775, 49240, 61550, 98480, 123100, 246200, 492400]

約数ペア:

[(1, 492400), (2, 246200), (4, 123100), (5, 98480), (8, 61550), (10, 49240), (16, 30775), (20, 24620), (25, 19696), (40, 12310), (50, 9848), (80, 6155), (100, 4924), (200, 2462), (400, 1231)]