2170000000

素因数分解:

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

素因数の和:87

約数の個数: 256

約数和(自身を含む): 6374983680

約数和(自身を除く): 4204983680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 64, 70, 80, 100, 112, 124, 125, 128, 140, 155, 160, 175, 200, 217, 224, 248, 250, 280, 310, 320, 350, 400, 434, 448, 496, 500, 560, 620, 625, 640, 700, 775, 800, 868, 875, 896, 992, 1000, 1085, 1120, 1240, 1250, 1400, 1550, 1600, 1736, 1750, 1984, 2000, 2170, 2240, 2480, 2500, 2800, 3100, 3125, 3200, 3472, 3500, 3875, 3968, 4000, 4340, 4375, 4480, 4960, 5000, 5425, 5600, 6200, 6250, 6944, 7000, 7750, 8000, 8680, 8750, 9920, 10000, 10850, 11200, 12400, 12500, 13888, 14000, 15500, 15625, 16000, 17360, 17500, 19375, 19840, 20000, 21700, 21875, 22400, 24800, 25000, 27125, 27776, 28000, 31000, 31250, 34720, 35000, 38750, 40000, 43400, 43750, 49600, 50000, 54250, 56000, 62000, 62500, 69440, 70000, 77500, 78125, 80000, 86800, 87500, 96875, 99200, 100000, 108500, 109375, 112000, 124000, 125000, 135625, 138880, 140000, 155000, 156250, 173600, 175000, 193750, 200000, 217000, 218750, 248000, 250000, 271250, 280000, 310000, 312500, 347200, 350000, 387500, 400000, 434000, 437500, 484375, 496000, 500000, 542500, 546875, 560000, 620000, 625000, 678125, 694400, 700000, 775000, 868000, 875000, 968750, 1000000, 1085000, 1093750, 1240000, 1250000, 1356250, 1400000, 1550000, 1736000, 1750000, 1937500, 2000000, 2170000, 2187500, 2421875, 2480000, 2500000, 2712500, 2800000, 3100000, 3390625, 3472000, 3500000, 3875000, 4340000, 4375000, 4843750, 5000000, 5425000, 6200000, 6781250, 7000000, 7750000, 8680000, 8750000, 9687500, 10000000, 10850000, 12400000, 13562500, 14000000, 15500000, 16953125, 17360000, 17500000, 19375000, 21700000, 27125000, 31000000, 33906250, 35000000, 38750000, 43400000, 54250000, 62000000, 67812500, 70000000, 77500000, 86800000, 108500000, 135625000, 155000000, 217000000, 271250000, 310000000, 434000000, 542500000, 1085000000, 2170000000]

約数ペア:

[(1, 2170000000), (2, 1085000000), (4, 542500000), (5, 434000000), (7, 310000000), (8, 271250000), (10, 217000000), (14, 155000000), (16, 135625000), (20, 108500000), (25, 86800000), (28, 77500000), (31, 70000000), (32, 67812500), (35, 62000000), (40, 54250000), (50, 43400000), (56, 38750000), (62, 35000000), (64, 33906250), (70, 31000000), (80, 27125000), (100, 21700000), (112, 19375000), (124, 17500000), (125, 17360000), (128, 16953125), (140, 15500000), (155, 14000000), (160, 13562500), (175, 12400000), (200, 10850000), (217, 10000000), (224, 9687500), (248, 8750000), (250, 8680000), (280, 7750000), (310, 7000000), (320, 6781250), (350, 6200000), (400, 5425000), (434, 5000000), (448, 4843750), (496, 4375000), (500, 4340000), (560, 3875000), (620, 3500000), (625, 3472000), (640, 3390625), (700, 3100000), (775, 2800000), (800, 2712500), (868, 2500000), (875, 2480000), (896, 2421875), (992, 2187500), (1000, 2170000), (1085, 2000000), (1120, 1937500), (1240, 1750000), (1250, 1736000), (1400, 1550000), (1550, 1400000), (1600, 1356250), (1736, 1250000), (1750, 1240000), (1984, 1093750), (2000, 1085000), (2170, 1000000), (2240, 968750), (2480, 875000), (2500, 868000), (2800, 775000), (3100, 700000), (3125, 694400), (3200, 678125), (3472, 625000), (3500, 620000), (3875, 560000), (3968, 546875), (4000, 542500), (4340, 500000), (4375, 496000), (4480, 484375), (4960, 437500), (5000, 434000), (5425, 400000), (5600, 387500), (6200, 350000), (6250, 347200), (6944, 312500), (7000, 310000), (7750, 280000), (8000, 271250), (8680, 250000), (8750, 248000), (9920, 218750), (10000, 217000), (10850, 200000), (11200, 193750), (12400, 175000), (12500, 173600), (13888, 156250), (14000, 155000), (15500, 140000), (15625, 138880), (16000, 135625), (17360, 125000), (17500, 124000), (19375, 112000), (19840, 109375), (20000, 108500), (21700, 100000), (21875, 99200), (22400, 96875), (24800, 87500), (25000, 86800), (27125, 80000), (27776, 78125), (28000, 77500), (31000, 70000), (31250, 69440), (34720, 62500), (35000, 62000), (38750, 56000), (40000, 54250), (43400, 50000), (43750, 49600)]