850640000

素因数分解:

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

素因数の和:86

約数の個数: 320

約数和(自身を含む): 2549184000

約数和(自身を除く): 1698544000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 49, 50, 56, 62, 64, 70, 80, 98, 100, 112, 124, 125, 128, 140, 155, 160, 175, 196, 200, 217, 224, 245, 248, 250, 280, 310, 320, 343, 350, 392, 400, 434, 448, 490, 496, 500, 560, 620, 625, 640, 686, 700, 775, 784, 800, 868, 875, 896, 980, 992, 1000, 1085, 1120, 1225, 1240, 1250, 1372, 1400, 1519, 1550, 1568, 1600, 1715, 1736, 1750, 1960, 1984, 2000, 2170, 2240, 2450, 2480, 2500, 2744, 2800, 3038, 3100, 3136, 3200, 3430, 3472, 3500, 3875, 3920, 3968, 4000, 4340, 4375, 4480, 4900, 4960, 5000, 5425, 5488, 5600, 6076, 6125, 6200, 6272, 6860, 6944, 7000, 7595, 7750, 7840, 8000, 8575, 8680, 8750, 9800, 9920, 10000, 10633, 10850, 10976, 11200, 12152, 12250, 12400, 13720, 13888, 14000, 15190, 15500, 15680, 16000, 17150, 17360, 17500, 19375, 19600, 19840, 20000, 21266, 21700, 21952, 22400, 24304, 24500, 24800, 27125, 27440, 27776, 28000, 30380, 30625, 31000, 31360, 34300, 34720, 35000, 37975, 38750, 39200, 40000, 42532, 42875, 43400, 43904, 48608, 49000, 49600, 53165, 54250, 54880, 56000, 60760, 61250, 62000, 68600, 69440, 70000, 75950, 77500, 78400, 80000, 85064, 85750, 86800, 97216, 98000, 99200, 106330, 108500, 109760, 112000, 121520, 122500, 124000, 135625, 137200, 138880, 140000, 151900, 155000, 156800, 170128, 171500, 173600, 189875, 194432, 196000, 212660, 214375, 217000, 219520, 243040, 245000, 248000, 265825, 271250, 274400, 280000, 303800, 310000, 340256, 343000, 347200, 379750, 392000, 425320, 428750, 434000, 486080, 490000, 496000, 531650, 542500, 548800, 560000, 607600, 620000, 680512, 686000, 694400, 759500, 784000, 850640, 857500, 868000, 949375, 972160, 980000, 1063300, 1085000, 1097600, 1215200, 1240000, 1329125, 1361024, 1372000, 1519000, 1701280, 1715000, 1736000, 1898750, 1960000, 2126600, 2170000, 2430400, 2480000, 2658250, 2744000, 3038000, 3402560, 3430000, 3472000, 3797500, 3920000, 4253200, 4340000, 4860800, 5316500, 5488000, 6076000, 6645625, 6805120, 6860000, 7595000, 8506400, 8680000, 10633000, 12152000, 13291250, 13720000, 15190000, 17012800, 17360000, 21266000, 24304000, 26582500, 27440000, 30380000, 34025600, 42532000, 53165000, 60760000, 85064000, 106330000, 121520000, 170128000, 212660000, 425320000, 850640000]

約数ペア:

[(1, 850640000), (2, 425320000), (4, 212660000), (5, 170128000), (7, 121520000), (8, 106330000), (10, 85064000), (14, 60760000), (16, 53165000), (20, 42532000), (25, 34025600), (28, 30380000), (31, 27440000), (32, 26582500), (35, 24304000), (40, 21266000), (49, 17360000), (50, 17012800), (56, 15190000), (62, 13720000), (64, 13291250), (70, 12152000), (80, 10633000), (98, 8680000), (100, 8506400), (112, 7595000), (124, 6860000), (125, 6805120), (128, 6645625), (140, 6076000), (155, 5488000), (160, 5316500), (175, 4860800), (196, 4340000), (200, 4253200), (217, 3920000), (224, 3797500), (245, 3472000), (248, 3430000), (250, 3402560), (280, 3038000), (310, 2744000), (320, 2658250), (343, 2480000), (350, 2430400), (392, 2170000), (400, 2126600), (434, 1960000), (448, 1898750), (490, 1736000), (496, 1715000), (500, 1701280), (560, 1519000), (620, 1372000), (625, 1361024), (640, 1329125), (686, 1240000), (700, 1215200), (775, 1097600), (784, 1085000), (800, 1063300), (868, 980000), (875, 972160), (896, 949375), (980, 868000), (992, 857500), (1000, 850640), (1085, 784000), (1120, 759500), (1225, 694400), (1240, 686000), (1250, 680512), (1372, 620000), (1400, 607600), (1519, 560000), (1550, 548800), (1568, 542500), (1600, 531650), (1715, 496000), (1736, 490000), (1750, 486080), (1960, 434000), (1984, 428750), (2000, 425320), (2170, 392000), (2240, 379750), (2450, 347200), (2480, 343000), (2500, 340256), (2744, 310000), (2800, 303800), (3038, 280000), (3100, 274400), (3136, 271250), (3200, 265825), (3430, 248000), (3472, 245000), (3500, 243040), (3875, 219520), (3920, 217000), (3968, 214375), (4000, 212660), (4340, 196000), (4375, 194432), (4480, 189875), (4900, 173600), (4960, 171500), (5000, 170128), (5425, 156800), (5488, 155000), (5600, 151900), (6076, 140000), (6125, 138880), (6200, 137200), (6272, 135625), (6860, 124000), (6944, 122500), (7000, 121520), (7595, 112000), (7750, 109760), (7840, 108500), (8000, 106330), (8575, 99200), (8680, 98000), (8750, 97216), (9800, 86800), (9920, 85750), (10000, 85064), (10633, 80000), (10850, 78400), (10976, 77500), (11200, 75950), (12152, 70000), (12250, 69440), (12400, 68600), (13720, 62000), (13888, 61250), (14000, 60760), (15190, 56000), (15500, 54880), (15680, 54250), (16000, 53165), (17150, 49600), (17360, 49000), (17500, 48608), (19375, 43904), (19600, 43400), (19840, 42875), (20000, 42532), (21266, 40000), (21700, 39200), (21952, 38750), (22400, 37975), (24304, 35000), (24500, 34720), (24800, 34300), (27125, 31360), (27440, 31000), (27776, 30625), (28000, 30380)]