69277880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{247421}}^1$

素因数の和:247439

約数の個数: 32

約数和(自身を含む): 178143840

約数和(自身を除く): 108865960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 247421, 494842, 989684, 1237105, 1731947, 1979368, 2474210, 3463894, 4948420, 6927788, 8659735, 9896840, 13855576, 17319470, 34638940, 69277880]

約数ペア:

[(1, 69277880), (2, 34638940), (4, 17319470), (5, 13855576), (7, 9896840), (8, 8659735), (10, 6927788), (14, 4948420), (20, 3463894), (28, 2474210), (35, 1979368), (40, 1731947), (56, 1237105), (70, 989684), (140, 494842), (280, 247421)]