12117400

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1409}}^1$

素因数の和:1468

約数の個数: 48

約数和(自身を含む): 28848600

約数和(自身を除く): 16731200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1409, 1720, 2150, 2818, 4300, 5636, 7045, 8600, 11272, 14090, 28180, 35225, 56360, 60587, 70450, 121174, 140900, 242348, 281800, 302935, 484696, 605870, 1211740, 1514675, 2423480, 3029350, 6058700, 12117400]

約数ペア:

[(1, 12117400), (2, 6058700), (4, 3029350), (5, 2423480), (8, 1514675), (10, 1211740), (20, 605870), (25, 484696), (40, 302935), (43, 281800), (50, 242348), (86, 140900), (100, 121174), (172, 70450), (200, 60587), (215, 56360), (344, 35225), (430, 28180), (860, 14090), (1075, 11272), (1409, 8600), (1720, 7045), (2150, 5636), (2818, 4300)]