2191500000

素因数分解:

$2^5\times 3^2\times 5^6\times {\mathrm{487}}^1$

素因数の和:533

約数の個数: 252

約数和(自身を含む): 7805993832

約数和(自身を除く): 5614493832

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 96, 100, 120, 125, 144, 150, 160, 180, 200, 225, 240, 250, 288, 300, 360, 375, 400, 450, 480, 487, 500, 600, 625, 720, 750, 800, 900, 974, 1000, 1125, 1200, 1250, 1440, 1461, 1500, 1800, 1875, 1948, 2000, 2250, 2400, 2435, 2500, 2922, 3000, 3125, 3600, 3750, 3896, 4000, 4383, 4500, 4870, 5000, 5625, 5844, 6000, 6250, 7200, 7305, 7500, 7792, 8766, 9000, 9375, 9740, 10000, 11250, 11688, 12000, 12175, 12500, 14610, 15000, 15584, 15625, 17532, 18000, 18750, 19480, 20000, 21915, 22500, 23376, 24350, 25000, 28125, 29220, 30000, 31250, 35064, 36000, 36525, 37500, 38960, 43830, 45000, 46752, 46875, 48700, 50000, 56250, 58440, 60000, 60875, 62500, 70128, 73050, 75000, 77920, 87660, 90000, 93750, 97400, 100000, 109575, 112500, 116880, 121750, 125000, 140256, 140625, 146100, 150000, 175320, 180000, 182625, 187500, 194800, 219150, 225000, 233760, 243500, 250000, 281250, 292200, 300000, 304375, 350640, 365250, 375000, 389600, 438300, 450000, 487000, 500000, 547875, 562500, 584400, 608750, 701280, 730500, 750000, 876600, 900000, 913125, 974000, 1095750, 1125000, 1168800, 1217500, 1461000, 1500000, 1521875, 1753200, 1826250, 1948000, 2191500, 2250000, 2435000, 2739375, 2922000, 3043750, 3506400, 3652500, 4383000, 4500000, 4565625, 4870000, 5478750, 5844000, 6087500, 7305000, 7609375, 8766000, 9131250, 9740000, 10957500, 12175000, 13696875, 14610000, 15218750, 17532000, 18262500, 21915000, 22828125, 24350000, 27393750, 29220000, 30437500, 36525000, 43830000, 45656250, 48700000, 54787500, 60875000, 68484375, 73050000, 87660000, 91312500, 109575000, 121750000, 136968750, 146100000, 182625000, 219150000, 243500000, 273937500, 365250000, 438300000, 547875000, 730500000, 1095750000, 2191500000]

約数ペア:

[(1, 2191500000), (2, 1095750000), (3, 730500000), (4, 547875000), (5, 438300000), (6, 365250000), (8, 273937500), (9, 243500000), (10, 219150000), (12, 182625000), (15, 146100000), (16, 136968750), (18, 121750000), (20, 109575000), (24, 91312500), (25, 87660000), (30, 73050000), (32, 68484375), (36, 60875000), (40, 54787500), (45, 48700000), (48, 45656250), (50, 43830000), (60, 36525000), (72, 30437500), (75, 29220000), (80, 27393750), (90, 24350000), (96, 22828125), (100, 21915000), (120, 18262500), (125, 17532000), (144, 15218750), (150, 14610000), (160, 13696875), (180, 12175000), (200, 10957500), (225, 9740000), (240, 9131250), (250, 8766000), (288, 7609375), (300, 7305000), (360, 6087500), (375, 5844000), (400, 5478750), (450, 4870000), (480, 4565625), (487, 4500000), (500, 4383000), (600, 3652500), (625, 3506400), (720, 3043750), (750, 2922000), (800, 2739375), (900, 2435000), (974, 2250000), (1000, 2191500), (1125, 1948000), (1200, 1826250), (1250, 1753200), (1440, 1521875), (1461, 1500000), (1500, 1461000), (1800, 1217500), (1875, 1168800), (1948, 1125000), (2000, 1095750), (2250, 974000), (2400, 913125), (2435, 900000), (2500, 876600), (2922, 750000), (3000, 730500), (3125, 701280), (3600, 608750), (3750, 584400), (3896, 562500), (4000, 547875), (4383, 500000), (4500, 487000), (4870, 450000), (5000, 438300), (5625, 389600), (5844, 375000), (6000, 365250), (6250, 350640), (7200, 304375), (7305, 300000), (7500, 292200), (7792, 281250), (8766, 250000), (9000, 243500), (9375, 233760), (9740, 225000), (10000, 219150), (11250, 194800), (11688, 187500), (12000, 182625), (12175, 180000), (12500, 175320), (14610, 150000), (15000, 146100), (15584, 140625), (15625, 140256), (17532, 125000), (18000, 121750), (18750, 116880), (19480, 112500), (20000, 109575), (21915, 100000), (22500, 97400), (23376, 93750), (24350, 90000), (25000, 87660), (28125, 77920), (29220, 75000), (30000, 73050), (31250, 70128), (35064, 62500), (36000, 60875), (36525, 60000), (37500, 58440), (38960, 56250), (43830, 50000), (45000, 48700), (46752, 46875)]