2018800000

素因数分解:

$2^7\times 5^5\times 7^2\times {\mathrm{103}}^1$

素因数の和:156

約数の個数: 288

約数和(自身を含む): 5904465840

約数和(自身を除く): 3885665840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 103, 112, 125, 128, 140, 160, 175, 196, 200, 206, 224, 245, 250, 280, 320, 350, 392, 400, 412, 448, 490, 500, 515, 560, 625, 640, 700, 721, 784, 800, 824, 875, 896, 980, 1000, 1030, 1120, 1225, 1250, 1400, 1442, 1568, 1600, 1648, 1750, 1960, 2000, 2060, 2240, 2450, 2500, 2575, 2800, 2884, 3125, 3136, 3200, 3296, 3500, 3605, 3920, 4000, 4120, 4375, 4480, 4900, 5000, 5047, 5150, 5600, 5768, 6125, 6250, 6272, 6592, 7000, 7210, 7840, 8000, 8240, 8750, 9800, 10000, 10094, 10300, 11200, 11536, 12250, 12500, 12875, 13184, 14000, 14420, 15680, 16000, 16480, 17500, 18025, 19600, 20000, 20188, 20600, 21875, 22400, 23072, 24500, 25000, 25235, 25750, 28000, 28840, 30625, 31360, 32960, 35000, 36050, 39200, 40000, 40376, 41200, 43750, 46144, 49000, 50000, 50470, 51500, 56000, 57680, 61250, 64375, 65920, 70000, 72100, 78400, 80000, 80752, 82400, 87500, 90125, 92288, 98000, 100000, 100940, 103000, 112000, 115360, 122500, 126175, 128750, 140000, 144200, 153125, 156800, 161504, 164800, 175000, 180250, 196000, 200000, 201880, 206000, 230720, 245000, 252350, 257500, 280000, 288400, 306250, 321875, 323008, 329600, 350000, 360500, 392000, 400000, 403760, 412000, 450625, 461440, 490000, 504700, 515000, 560000, 576800, 612500, 630875, 643750, 646016, 700000, 721000, 784000, 807520, 824000, 901250, 980000, 1009400, 1030000, 1153600, 1225000, 1261750, 1287500, 1400000, 1442000, 1615040, 1648000, 1802500, 1960000, 2018800, 2060000, 2253125, 2307200, 2450000, 2523500, 2575000, 2800000, 2884000, 3154375, 3230080, 3605000, 3920000, 4037600, 4120000, 4506250, 4900000, 5047000, 5150000, 5768000, 6308750, 7210000, 8075200, 8240000, 9012500, 9800000, 10094000, 10300000, 11536000, 12617500, 14420000, 15771875, 16150400, 18025000, 19600000, 20188000, 20600000, 25235000, 28840000, 31543750, 36050000, 40376000, 41200000, 50470000, 57680000, 63087500, 72100000, 80752000, 100940000, 126175000, 144200000, 201880000, 252350000, 288400000, 403760000, 504700000, 1009400000, 2018800000]

約数ペア:

[(1, 2018800000), (2, 1009400000), (4, 504700000), (5, 403760000), (7, 288400000), (8, 252350000), (10, 201880000), (14, 144200000), (16, 126175000), (20, 100940000), (25, 80752000), (28, 72100000), (32, 63087500), (35, 57680000), (40, 50470000), (49, 41200000), (50, 40376000), (56, 36050000), (64, 31543750), (70, 28840000), (80, 25235000), (98, 20600000), (100, 20188000), (103, 19600000), (112, 18025000), (125, 16150400), (128, 15771875), (140, 14420000), (160, 12617500), (175, 11536000), (196, 10300000), (200, 10094000), (206, 9800000), (224, 9012500), (245, 8240000), (250, 8075200), (280, 7210000), (320, 6308750), (350, 5768000), (392, 5150000), (400, 5047000), (412, 4900000), (448, 4506250), (490, 4120000), (500, 4037600), (515, 3920000), (560, 3605000), (625, 3230080), (640, 3154375), (700, 2884000), (721, 2800000), (784, 2575000), (800, 2523500), (824, 2450000), (875, 2307200), (896, 2253125), (980, 2060000), (1000, 2018800), (1030, 1960000), (1120, 1802500), (1225, 1648000), (1250, 1615040), (1400, 1442000), (1442, 1400000), (1568, 1287500), (1600, 1261750), (1648, 1225000), (1750, 1153600), (1960, 1030000), (2000, 1009400), (2060, 980000), (2240, 901250), (2450, 824000), (2500, 807520), (2575, 784000), (2800, 721000), (2884, 700000), (3125, 646016), (3136, 643750), (3200, 630875), (3296, 612500), (3500, 576800), (3605, 560000), (3920, 515000), (4000, 504700), (4120, 490000), (4375, 461440), (4480, 450625), (4900, 412000), (5000, 403760), (5047, 400000), (5150, 392000), (5600, 360500), (5768, 350000), (6125, 329600), (6250, 323008), (6272, 321875), (6592, 306250), (7000, 288400), (7210, 280000), (7840, 257500), (8000, 252350), (8240, 245000), (8750, 230720), (9800, 206000), (10000, 201880), (10094, 200000), (10300, 196000), (11200, 180250), (11536, 175000), (12250, 164800), (12500, 161504), (12875, 156800), (13184, 153125), (14000, 144200), (14420, 140000), (15680, 128750), (16000, 126175), (16480, 122500), (17500, 115360), (18025, 112000), (19600, 103000), (20000, 100940), (20188, 100000), (20600, 98000), (21875, 92288), (22400, 90125), (23072, 87500), (24500, 82400), (25000, 80752), (25235, 80000), (25750, 78400), (28000, 72100), (28840, 70000), (30625, 65920), (31360, 64375), (32960, 61250), (35000, 57680), (36050, 56000), (39200, 51500), (40000, 50470), (40376, 50000), (41200, 49000), (43750, 46144)]