68264500

素因数分解:

$2^2\times 5^3\times {\mathrm{311}}^1\times {\mathrm{439}}^1$

素因数の和:769

約数の個数: 48

約数和(自身を含む): 149909760

約数和(自身を除く): 81645260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 311, 439, 500, 622, 878, 1244, 1555, 1756, 2195, 3110, 4390, 6220, 7775, 8780, 10975, 15550, 21950, 31100, 38875, 43900, 54875, 77750, 109750, 136529, 155500, 219500, 273058, 546116, 682645, 1365290, 2730580, 3413225, 6826450, 13652900, 17066125, 34132250, 68264500]

約数ペア:

[(1, 68264500), (2, 34132250), (4, 17066125), (5, 13652900), (10, 6826450), (20, 3413225), (25, 2730580), (50, 1365290), (100, 682645), (125, 546116), (250, 273058), (311, 219500), (439, 155500), (500, 136529), (622, 109750), (878, 77750), (1244, 54875), (1555, 43900), (1756, 38875), (2195, 31100), (3110, 21950), (4390, 15550), (6220, 10975), (7775, 8780)]