2008780000

素因数分解:

$2^5\times 5^4\times {\mathrm{47}}^1\times {\mathrm{2137}}^1$

素因数の和:2214

約数の個数: 120

約数和(自身を含む): 5049408672

約数和(自身を除く): 3040628672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 47, 50, 80, 94, 100, 125, 160, 188, 200, 235, 250, 376, 400, 470, 500, 625, 752, 800, 940, 1000, 1175, 1250, 1504, 1880, 2000, 2137, 2350, 2500, 3760, 4000, 4274, 4700, 5000, 5875, 7520, 8548, 9400, 10000, 10685, 11750, 17096, 18800, 20000, 21370, 23500, 29375, 34192, 37600, 42740, 47000, 53425, 58750, 68384, 85480, 94000, 100439, 106850, 117500, 170960, 188000, 200878, 213700, 235000, 267125, 341920, 401756, 427400, 470000, 502195, 534250, 803512, 854800, 940000, 1004390, 1068500, 1335625, 1607024, 1709600, 2008780, 2137000, 2510975, 2671250, 3214048, 4017560, 4274000, 5021950, 5342500, 8035120, 8548000, 10043900, 10685000, 12554875, 16070240, 20087800, 21370000, 25109750, 40175600, 42740000, 50219500, 62774375, 80351200, 100439000, 125548750, 200878000, 251097500, 401756000, 502195000, 1004390000, 2008780000]

約数ペア:

[(1, 2008780000), (2, 1004390000), (4, 502195000), (5, 401756000), (8, 251097500), (10, 200878000), (16, 125548750), (20, 100439000), (25, 80351200), (32, 62774375), (40, 50219500), (47, 42740000), (50, 40175600), (80, 25109750), (94, 21370000), (100, 20087800), (125, 16070240), (160, 12554875), (188, 10685000), (200, 10043900), (235, 8548000), (250, 8035120), (376, 5342500), (400, 5021950), (470, 4274000), (500, 4017560), (625, 3214048), (752, 2671250), (800, 2510975), (940, 2137000), (1000, 2008780), (1175, 1709600), (1250, 1607024), (1504, 1335625), (1880, 1068500), (2000, 1004390), (2137, 940000), (2350, 854800), (2500, 803512), (3760, 534250), (4000, 502195), (4274, 470000), (4700, 427400), (5000, 401756), (5875, 341920), (7520, 267125), (8548, 235000), (9400, 213700), (10000, 200878), (10685, 188000), (11750, 170960), (17096, 117500), (18800, 106850), (20000, 100439), (21370, 94000), (23500, 85480), (29375, 68384), (34192, 58750), (37600, 53425), (42740, 47000)]