210500

素因数分解:

$2^2\times 5^3\times {\mathrm{421}}^1$

素因数の和:440

約数の個数: 24

約数和(自身を含む): 460824

約数和(自身を除く): 250324

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 421, 500, 842, 1684, 2105, 4210, 8420, 10525, 21050, 42100, 52625, 105250, 210500]

約数ペア:

[(1, 210500), (2, 105250), (4, 52625), (5, 42100), (10, 21050), (20, 10525), (25, 8420), (50, 4210), (100, 2105), (125, 1684), (250, 842), (421, 500)]