28276770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{6781}}^1$

素因数の和:6930

約数の個数: 32

約数和(自身を含む): 68362560

約数和(自身を除く): 40085790

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 6781, 13562, 20343, 33905, 40686, 67810, 101715, 203430, 942559, 1885118, 2827677, 4712795, 5655354, 9425590, 14138385, 28276770]

約数ペア:

[(1, 28276770), (2, 14138385), (3, 9425590), (5, 5655354), (6, 4712795), (10, 2827677), (15, 1885118), (30, 942559), (139, 203430), (278, 101715), (417, 67810), (695, 40686), (834, 33905), (1390, 20343), (2085, 13562), (4170, 6781)]