2805740000

素因数分解:

$2^5\times 5^4\times 7^3\times {\mathrm{409}}^1$

素因数の和:460

約数の個数: 240

約数和(自身を含む): 8069292000

約数和(自身を除く): 5263552000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 160, 175, 196, 200, 224, 245, 250, 280, 343, 350, 392, 400, 409, 490, 500, 560, 625, 686, 700, 784, 800, 818, 875, 980, 1000, 1120, 1225, 1250, 1372, 1400, 1568, 1636, 1715, 1750, 1960, 2000, 2045, 2450, 2500, 2744, 2800, 2863, 3272, 3430, 3500, 3920, 4000, 4090, 4375, 4900, 5000, 5488, 5600, 5726, 6125, 6544, 6860, 7000, 7840, 8180, 8575, 8750, 9800, 10000, 10225, 10976, 11452, 12250, 13088, 13720, 14000, 14315, 16360, 17150, 17500, 19600, 20000, 20041, 20450, 22904, 24500, 27440, 28000, 28630, 30625, 32720, 34300, 35000, 39200, 40082, 40900, 42875, 45808, 49000, 51125, 54880, 57260, 61250, 65440, 68600, 70000, 71575, 80164, 81800, 85750, 91616, 98000, 100205, 102250, 114520, 122500, 137200, 140000, 140287, 143150, 160328, 163600, 171500, 196000, 200410, 204500, 214375, 229040, 245000, 255625, 274400, 280574, 286300, 320656, 327200, 343000, 357875, 400820, 409000, 428750, 458080, 490000, 501025, 511250, 561148, 572600, 641312, 686000, 701435, 715750, 801640, 818000, 857500, 980000, 1002050, 1022500, 1122296, 1145200, 1372000, 1402870, 1431500, 1603280, 1636000, 1715000, 1789375, 2004100, 2045000, 2244592, 2290400, 2505125, 2805740, 2863000, 3206560, 3430000, 3507175, 3578750, 4008200, 4090000, 4489184, 5010250, 5611480, 5726000, 6860000, 7014350, 7157500, 8016400, 8180000, 10020500, 11222960, 11452000, 12525625, 14028700, 14315000, 16032800, 17535875, 20041000, 22445920, 25051250, 28057400, 28630000, 35071750, 40082000, 50102500, 56114800, 57260000, 70143500, 80164000, 87679375, 100205000, 112229600, 140287000, 175358750, 200410000, 280574000, 350717500, 400820000, 561148000, 701435000, 1402870000, 2805740000]

約数ペア:

[(1, 2805740000), (2, 1402870000), (4, 701435000), (5, 561148000), (7, 400820000), (8, 350717500), (10, 280574000), (14, 200410000), (16, 175358750), (20, 140287000), (25, 112229600), (28, 100205000), (32, 87679375), (35, 80164000), (40, 70143500), (49, 57260000), (50, 56114800), (56, 50102500), (70, 40082000), (80, 35071750), (98, 28630000), (100, 28057400), (112, 25051250), (125, 22445920), (140, 20041000), (160, 17535875), (175, 16032800), (196, 14315000), (200, 14028700), (224, 12525625), (245, 11452000), (250, 11222960), (280, 10020500), (343, 8180000), (350, 8016400), (392, 7157500), (400, 7014350), (409, 6860000), (490, 5726000), (500, 5611480), (560, 5010250), (625, 4489184), (686, 4090000), (700, 4008200), (784, 3578750), (800, 3507175), (818, 3430000), (875, 3206560), (980, 2863000), (1000, 2805740), (1120, 2505125), (1225, 2290400), (1250, 2244592), (1372, 2045000), (1400, 2004100), (1568, 1789375), (1636, 1715000), (1715, 1636000), (1750, 1603280), (1960, 1431500), (2000, 1402870), (2045, 1372000), (2450, 1145200), (2500, 1122296), (2744, 1022500), (2800, 1002050), (2863, 980000), (3272, 857500), (3430, 818000), (3500, 801640), (3920, 715750), (4000, 701435), (4090, 686000), (4375, 641312), (4900, 572600), (5000, 561148), (5488, 511250), (5600, 501025), (5726, 490000), (6125, 458080), (6544, 428750), (6860, 409000), (7000, 400820), (7840, 357875), (8180, 343000), (8575, 327200), (8750, 320656), (9800, 286300), (10000, 280574), (10225, 274400), (10976, 255625), (11452, 245000), (12250, 229040), (13088, 214375), (13720, 204500), (14000, 200410), (14315, 196000), (16360, 171500), (17150, 163600), (17500, 160328), (19600, 143150), (20000, 140287), (20041, 140000), (20450, 137200), (22904, 122500), (24500, 114520), (27440, 102250), (28000, 100205), (28630, 98000), (30625, 91616), (32720, 85750), (34300, 81800), (35000, 80164), (39200, 71575), (40082, 70000), (40900, 68600), (42875, 65440), (45808, 61250), (49000, 57260), (51125, 54880)]