68747800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31249}}^1$

素因数の和:31276

約数の個数: 48

約数和(自身を含む): 174375000

約数和(自身を除く): 105627200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 31249, 62498, 124996, 156245, 249992, 312490, 343739, 624980, 687478, 781225, 1249960, 1374956, 1562450, 1718695, 2749912, 3124900, 3437390, 6249800, 6874780, 8593475, 13749560, 17186950, 34373900, 68747800]

約数ペア:

[(1, 68747800), (2, 34373900), (4, 17186950), (5, 13749560), (8, 8593475), (10, 6874780), (11, 6249800), (20, 3437390), (22, 3124900), (25, 2749912), (40, 1718695), (44, 1562450), (50, 1374956), (55, 1249960), (88, 781225), (100, 687478), (110, 624980), (200, 343739), (220, 312490), (275, 249992), (440, 156245), (550, 124996), (1100, 62498), (2200, 31249)]