19909400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{14221}}^1$

素因数の和:14244

約数の個数: 48

約数和(自身を含む): 52905840

約数和(自身を除く): 32996440

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, 14221, 28442, 56884, 71105, 99547, 113768, 142210, 199094, 284420, 355525, 398188, 497735, 568840, 711050, 796376, 995470, 1422100, 1990940, 2488675, 2844200, 3981880, 4977350, 9954700, 19909400]

約数ペア:

[(1, 19909400), (2, 9954700), (4, 4977350), (5, 3981880), (7, 2844200), (8, 2488675), (10, 1990940), (14, 1422100), (20, 995470), (25, 796376), (28, 711050), (35, 568840), (40, 497735), (50, 398188), (56, 355525), (70, 284420), (100, 199094), (140, 142210), (175, 113768), (200, 99547), (280, 71105), (350, 56884), (700, 28442), (1400, 14221)]