128870000

素因数分解:

$2^4\times 5^4\times 7^2\times {\mathrm{263}}^1$

素因数の和:305

約数の個数: 150

約数和(自身を含む): 364327128

約数和(自身を除く): 235457128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 175, 196, 200, 245, 250, 263, 280, 350, 392, 400, 490, 500, 526, 560, 625, 700, 784, 875, 980, 1000, 1052, 1225, 1250, 1315, 1400, 1750, 1841, 1960, 2000, 2104, 2450, 2500, 2630, 2800, 3500, 3682, 3920, 4208, 4375, 4900, 5000, 5260, 6125, 6575, 7000, 7364, 8750, 9205, 9800, 10000, 10520, 12250, 12887, 13150, 14000, 14728, 17500, 18410, 19600, 21040, 24500, 25774, 26300, 29456, 30625, 32875, 35000, 36820, 46025, 49000, 51548, 52600, 61250, 64435, 65750, 70000, 73640, 92050, 98000, 103096, 105200, 122500, 128870, 131500, 147280, 164375, 184100, 206192, 230125, 245000, 257740, 263000, 322175, 328750, 368200, 460250, 490000, 515480, 526000, 644350, 657500, 736400, 920500, 1030960, 1150625, 1288700, 1315000, 1610875, 1841000, 2301250, 2577400, 2630000, 3221750, 3682000, 4602500, 5154800, 6443500, 8054375, 9205000, 12887000, 16108750, 18410000, 25774000, 32217500, 64435000, 128870000]

約数ペア:

[(1, 128870000), (2, 64435000), (4, 32217500), (5, 25774000), (7, 18410000), (8, 16108750), (10, 12887000), (14, 9205000), (16, 8054375), (20, 6443500), (25, 5154800), (28, 4602500), (35, 3682000), (40, 3221750), (49, 2630000), (50, 2577400), (56, 2301250), (70, 1841000), (80, 1610875), (98, 1315000), (100, 1288700), (112, 1150625), (125, 1030960), (140, 920500), (175, 736400), (196, 657500), (200, 644350), (245, 526000), (250, 515480), (263, 490000), (280, 460250), (350, 368200), (392, 328750), (400, 322175), (490, 263000), (500, 257740), (526, 245000), (560, 230125), (625, 206192), (700, 184100), (784, 164375), (875, 147280), (980, 131500), (1000, 128870), (1052, 122500), (1225, 105200), (1250, 103096), (1315, 98000), (1400, 92050), (1750, 73640), (1841, 70000), (1960, 65750), (2000, 64435), (2104, 61250), (2450, 52600), (2500, 51548), (2630, 49000), (2800, 46025), (3500, 36820), (3682, 35000), (3920, 32875), (4208, 30625), (4375, 29456), (4900, 26300), (5000, 25774), (5260, 24500), (6125, 21040), (6575, 19600), (7000, 18410), (7364, 17500), (8750, 14728), (9205, 14000), (9800, 13150), (10000, 12887), (10520, 12250)]