217436900

素因数分解:

$2^2\times 5^2\times {\mathrm{397}}^1\times {\mathrm{5477}}^1$

素因数の和:5888

約数の個数: 36

約数和(自身を含む): 473112948

約数和(自身を除く): 255676048

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 397, 794, 1588, 1985, 3970, 5477, 7940, 9925, 10954, 19850, 21908, 27385, 39700, 54770, 109540, 136925, 273850, 547700, 2174369, 4348738, 8697476, 10871845, 21743690, 43487380, 54359225, 108718450, 217436900]

約数ペア:

[(1, 217436900), (2, 108718450), (4, 54359225), (5, 43487380), (10, 21743690), (20, 10871845), (25, 8697476), (50, 4348738), (100, 2174369), (397, 547700), (794, 273850), (1588, 136925), (1985, 109540), (3970, 54770), (5477, 39700), (7940, 27385), (9925, 21908), (10954, 19850)]