142639000

素因数分解:

$2^3\times 5^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:147

約数の個数: 192

約数和(自身を含む): 403341120

約数和(自身を除く): 260702120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 41, 49, 50, 56, 70, 71, 82, 98, 100, 125, 140, 142, 164, 175, 196, 200, 205, 245, 250, 280, 284, 287, 328, 350, 355, 392, 410, 490, 497, 500, 568, 574, 700, 710, 820, 875, 980, 994, 1000, 1025, 1148, 1225, 1400, 1420, 1435, 1640, 1750, 1775, 1960, 1988, 2009, 2050, 2296, 2450, 2485, 2840, 2870, 2911, 3479, 3500, 3550, 3976, 4018, 4100, 4900, 4970, 5125, 5740, 5822, 6125, 6958, 7000, 7100, 7175, 8036, 8200, 8875, 9800, 9940, 10045, 10250, 11480, 11644, 12250, 12425, 13916, 14200, 14350, 14555, 16072, 17395, 17750, 19880, 20090, 20377, 20500, 23288, 24500, 24850, 27832, 28700, 29110, 34790, 35500, 35875, 40180, 40754, 41000, 49000, 49700, 50225, 57400, 58220, 62125, 69580, 71000, 71750, 72775, 80360, 81508, 86975, 99400, 100450, 101885, 116440, 124250, 139160, 142639, 143500, 145550, 163016, 173950, 200900, 203770, 248500, 251125, 285278, 287000, 291100, 347900, 363875, 401800, 407540, 434875, 497000, 502250, 509425, 570556, 582200, 695800, 713195, 727750, 815080, 869750, 1004500, 1018850, 1141112, 1426390, 1455500, 1739500, 2009000, 2037700, 2547125, 2852780, 2911000, 3479000, 3565975, 4075400, 5094250, 5705560, 7131950, 10188500, 14263900, 17829875, 20377000, 28527800, 35659750, 71319500, 142639000]

約数ペア:

[(1, 142639000), (2, 71319500), (4, 35659750), (5, 28527800), (7, 20377000), (8, 17829875), (10, 14263900), (14, 10188500), (20, 7131950), (25, 5705560), (28, 5094250), (35, 4075400), (40, 3565975), (41, 3479000), (49, 2911000), (50, 2852780), (56, 2547125), (70, 2037700), (71, 2009000), (82, 1739500), (98, 1455500), (100, 1426390), (125, 1141112), (140, 1018850), (142, 1004500), (164, 869750), (175, 815080), (196, 727750), (200, 713195), (205, 695800), (245, 582200), (250, 570556), (280, 509425), (284, 502250), (287, 497000), (328, 434875), (350, 407540), (355, 401800), (392, 363875), (410, 347900), (490, 291100), (497, 287000), (500, 285278), (568, 251125), (574, 248500), (700, 203770), (710, 200900), (820, 173950), (875, 163016), (980, 145550), (994, 143500), (1000, 142639), (1025, 139160), (1148, 124250), (1225, 116440), (1400, 101885), (1420, 100450), (1435, 99400), (1640, 86975), (1750, 81508), (1775, 80360), (1960, 72775), (1988, 71750), (2009, 71000), (2050, 69580), (2296, 62125), (2450, 58220), (2485, 57400), (2840, 50225), (2870, 49700), (2911, 49000), (3479, 41000), (3500, 40754), (3550, 40180), (3976, 35875), (4018, 35500), (4100, 34790), (4900, 29110), (4970, 28700), (5125, 27832), (5740, 24850), (5822, 24500), (6125, 23288), (6958, 20500), (7000, 20377), (7100, 20090), (7175, 19880), (8036, 17750), (8200, 17395), (8875, 16072), (9800, 14555), (9940, 14350), (10045, 14200), (10250, 13916), (11480, 12425), (11644, 12250)]