220286380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{579701}}^1$

素因数の和:579729

約数の個数: 24

約数和(自身を含む): 486949680

約数和(自身を除く): 266663300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 579701, 1159402, 2318804, 2898505, 5797010, 11014319, 11594020, 22028638, 44057276, 55071595, 110143190, 220286380]

約数ペア:

[(1, 220286380), (2, 110143190), (4, 55071595), (5, 44057276), (10, 22028638), (19, 11594020), (20, 11014319), (38, 5797010), (76, 2898505), (95, 2318804), (190, 1159402), (380, 579701)]