208799080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{745711}}^1$

素因数の和:745729

約数の個数: 32

約数和(自身を含む): 536912640

約数和(自身を除く): 328113560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 745711, 1491422, 2982844, 3728555, 5219977, 5965688, 7457110, 10439954, 14914220, 20879908, 26099885, 29828440, 41759816, 52199770, 104399540, 208799080]

約数ペア:

[(1, 208799080), (2, 104399540), (4, 52199770), (5, 41759816), (7, 29828440), (8, 26099885), (10, 20879908), (14, 14914220), (20, 10439954), (28, 7457110), (35, 5965688), (40, 5219977), (56, 3728555), (70, 2982844), (140, 1491422), (280, 745711)]