2209000

素因数分解:

$2^3\times 5^3\times {\mathrm{47}}^2$

素因数の和:115

約数の個数: 48

約数和(自身を含む): 5281380

約数和(自身を除く): 3072380

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 125, 188, 200, 235, 250, 376, 470, 500, 940, 1000, 1175, 1880, 2209, 2350, 4418, 4700, 5875, 8836, 9400, 11045, 11750, 17672, 22090, 23500, 44180, 47000, 55225, 88360, 110450, 220900, 276125, 441800, 552250, 1104500, 2209000]

約数ペア:

[(1, 2209000), (2, 1104500), (4, 552250), (5, 441800), (8, 276125), (10, 220900), (20, 110450), (25, 88360), (40, 55225), (47, 47000), (50, 44180), (94, 23500), (100, 22090), (125, 17672), (188, 11750), (200, 11045), (235, 9400), (250, 8836), (376, 5875), (470, 4700), (500, 4418), (940, 2350), (1000, 2209), (1175, 1880)]