17889400

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{3889}}^1$

素因数の和:3928

約数の個数: 48

約数和(自身を含む): 43412400

約数和(自身を除く): 25523000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 184, 200, 230, 460, 575, 920, 1150, 2300, 3889, 4600, 7778, 15556, 19445, 31112, 38890, 77780, 89447, 97225, 155560, 178894, 194450, 357788, 388900, 447235, 715576, 777800, 894470, 1788940, 2236175, 3577880, 4472350, 8944700, 17889400]

約数ペア:

[(1, 17889400), (2, 8944700), (4, 4472350), (5, 3577880), (8, 2236175), (10, 1788940), (20, 894470), (23, 777800), (25, 715576), (40, 447235), (46, 388900), (50, 357788), (92, 194450), (100, 178894), (115, 155560), (184, 97225), (200, 89447), (230, 77780), (460, 38890), (575, 31112), (920, 19445), (1150, 15556), (2300, 7778), (3889, 4600)]