12987800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{9277}}^1$

素因数の和:9300

約数の個数: 48

約数和(自身を含む): 34514160

約数和(自身を除く): 21526360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 9277, 18554, 37108, 46385, 64939, 74216, 92770, 129878, 185540, 231925, 259756, 324695, 371080, 463850, 519512, 649390, 927700, 1298780, 1623475, 1855400, 2597560, 3246950, 6493900, 12987800]

約数ペア:

[(1, 12987800), (2, 6493900), (4, 3246950), (5, 2597560), (7, 1855400), (8, 1623475), (10, 1298780), (14, 927700), (20, 649390), (25, 519512), (28, 463850), (35, 371080), (40, 324695), (50, 259756), (56, 231925), (70, 185540), (100, 129878), (140, 92770), (175, 74216), (200, 64939), (280, 46385), (350, 37108), (700, 18554), (1400, 9277)]