12878600

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{9199}}^1$

素因数の和:9222

約数の個数: 48

約数和(自身を含む): 34224000

約数和(自身を除く): 21345400

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, 9199, 18398, 36796, 45995, 64393, 73592, 91990, 128786, 183980, 229975, 257572, 321965, 367960, 459950, 515144, 643930, 919900, 1287860, 1609825, 1839800, 2575720, 3219650, 6439300, 12878600]

約数ペア:

[(1, 12878600), (2, 6439300), (4, 3219650), (5, 2575720), (7, 1839800), (8, 1609825), (10, 1287860), (14, 919900), (20, 643930), (25, 515144), (28, 459950), (35, 367960), (40, 321965), (50, 257572), (56, 229975), (70, 183980), (100, 128786), (140, 91990), (175, 73592), (200, 64393), (280, 45995), (350, 36796), (700, 18398), (1400, 9199)]