12407500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{709}}^1$

素因数の和:740

約数の個数: 60

約数和(自身を含む): 31052560

約数和(自身を除く): 18645060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 625, 700, 709, 875, 1250, 1418, 1750, 2500, 2836, 3500, 3545, 4375, 4963, 7090, 8750, 9926, 14180, 17500, 17725, 19852, 24815, 35450, 49630, 70900, 88625, 99260, 124075, 177250, 248150, 354500, 443125, 496300, 620375, 886250, 1240750, 1772500, 2481500, 3101875, 6203750, 12407500]

約数ペア:

[(1, 12407500), (2, 6203750), (4, 3101875), (5, 2481500), (7, 1772500), (10, 1240750), (14, 886250), (20, 620375), (25, 496300), (28, 443125), (35, 354500), (50, 248150), (70, 177250), (100, 124075), (125, 99260), (140, 88625), (175, 70900), (250, 49630), (350, 35450), (500, 24815), (625, 19852), (700, 17725), (709, 17500), (875, 14180), (1250, 9926), (1418, 8750), (1750, 7090), (2500, 4963), (2836, 4375), (3500, 3545)]