212660000

素因数分解:

$2^5\times 5^4\times 7^3\times {\mathrm{31}}^1$

素因数の和:82

約数の個数: 240

約数和(自身を含む): 629798400

約数和(自身を除く): 417138400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 49, 50, 56, 62, 70, 80, 98, 100, 112, 124, 125, 140, 155, 160, 175, 196, 200, 217, 224, 245, 248, 250, 280, 310, 343, 350, 392, 400, 434, 490, 496, 500, 560, 620, 625, 686, 700, 775, 784, 800, 868, 875, 980, 992, 1000, 1085, 1120, 1225, 1240, 1250, 1372, 1400, 1519, 1550, 1568, 1715, 1736, 1750, 1960, 2000, 2170, 2450, 2480, 2500, 2744, 2800, 3038, 3100, 3430, 3472, 3500, 3875, 3920, 4000, 4340, 4375, 4900, 4960, 5000, 5425, 5488, 5600, 6076, 6125, 6200, 6860, 6944, 7000, 7595, 7750, 7840, 8575, 8680, 8750, 9800, 10000, 10633, 10850, 10976, 12152, 12250, 12400, 13720, 14000, 15190, 15500, 17150, 17360, 17500, 19375, 19600, 20000, 21266, 21700, 24304, 24500, 24800, 27125, 27440, 28000, 30380, 30625, 31000, 34300, 34720, 35000, 37975, 38750, 39200, 42532, 42875, 43400, 48608, 49000, 53165, 54250, 54880, 60760, 61250, 62000, 68600, 70000, 75950, 77500, 85064, 85750, 86800, 98000, 106330, 108500, 121520, 122500, 124000, 135625, 137200, 140000, 151900, 155000, 170128, 171500, 173600, 189875, 196000, 212660, 214375, 217000, 243040, 245000, 265825, 271250, 274400, 303800, 310000, 340256, 343000, 379750, 425320, 428750, 434000, 490000, 531650, 542500, 607600, 620000, 686000, 759500, 850640, 857500, 868000, 949375, 980000, 1063300, 1085000, 1215200, 1329125, 1372000, 1519000, 1701280, 1715000, 1898750, 2126600, 2170000, 2658250, 3038000, 3430000, 3797500, 4253200, 4340000, 5316500, 6076000, 6645625, 6860000, 7595000, 8506400, 10633000, 13291250, 15190000, 21266000, 26582500, 30380000, 42532000, 53165000, 106330000, 212660000]

約数ペア:

[(1, 212660000), (2, 106330000), (4, 53165000), (5, 42532000), (7, 30380000), (8, 26582500), (10, 21266000), (14, 15190000), (16, 13291250), (20, 10633000), (25, 8506400), (28, 7595000), (31, 6860000), (32, 6645625), (35, 6076000), (40, 5316500), (49, 4340000), (50, 4253200), (56, 3797500), (62, 3430000), (70, 3038000), (80, 2658250), (98, 2170000), (100, 2126600), (112, 1898750), (124, 1715000), (125, 1701280), (140, 1519000), (155, 1372000), (160, 1329125), (175, 1215200), (196, 1085000), (200, 1063300), (217, 980000), (224, 949375), (245, 868000), (248, 857500), (250, 850640), (280, 759500), (310, 686000), (343, 620000), (350, 607600), (392, 542500), (400, 531650), (434, 490000), (490, 434000), (496, 428750), (500, 425320), (560, 379750), (620, 343000), (625, 340256), (686, 310000), (700, 303800), (775, 274400), (784, 271250), (800, 265825), (868, 245000), (875, 243040), (980, 217000), (992, 214375), (1000, 212660), (1085, 196000), (1120, 189875), (1225, 173600), (1240, 171500), (1250, 170128), (1372, 155000), (1400, 151900), (1519, 140000), (1550, 137200), (1568, 135625), (1715, 124000), (1736, 122500), (1750, 121520), (1960, 108500), (2000, 106330), (2170, 98000), (2450, 86800), (2480, 85750), (2500, 85064), (2744, 77500), (2800, 75950), (3038, 70000), (3100, 68600), (3430, 62000), (3472, 61250), (3500, 60760), (3875, 54880), (3920, 54250), (4000, 53165), (4340, 49000), (4375, 48608), (4900, 43400), (4960, 42875), (5000, 42532), (5425, 39200), (5488, 38750), (5600, 37975), (6076, 35000), (6125, 34720), (6200, 34300), (6860, 31000), (6944, 30625), (7000, 30380), (7595, 28000), (7750, 27440), (7840, 27125), (8575, 24800), (8680, 24500), (8750, 24304), (9800, 21700), (10000, 21266), (10633, 20000), (10850, 19600), (10976, 19375), (12152, 17500), (12250, 17360), (12400, 17150), (13720, 15500), (14000, 15190)]