8680000

素因数分解:

$2^6\times 5^4\times 7^1\times {\mathrm{31}}^1$

素因数の和:70

約数の個数: 140

約数和(自身を含む): 25391872

約数和(自身を除く): 16711872

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, 140, 155, 160, 175, 200, 217, 224, 248, 250, 280, 310, 320, 350, 400, 434, 448, 496, 500, 560, 620, 625, 700, 775, 800, 868, 875, 992, 1000, 1085, 1120, 1240, 1250, 1400, 1550, 1600, 1736, 1750, 1984, 2000, 2170, 2240, 2480, 2500, 2800, 3100, 3472, 3500, 3875, 4000, 4340, 4375, 4960, 5000, 5425, 5600, 6200, 6944, 7000, 7750, 8000, 8680, 8750, 9920, 10000, 10850, 11200, 12400, 13888, 14000, 15500, 17360, 17500, 19375, 20000, 21700, 24800, 27125, 28000, 31000, 34720, 35000, 38750, 40000, 43400, 49600, 54250, 56000, 62000, 69440, 70000, 77500, 86800, 108500, 124000, 135625, 140000, 155000, 173600, 217000, 248000, 271250, 280000, 310000, 347200, 434000, 542500, 620000, 868000, 1085000, 1240000, 1736000, 2170000, 4340000, 8680000]

約数ペア:

[(1, 8680000), (2, 4340000), (4, 2170000), (5, 1736000), (7, 1240000), (8, 1085000), (10, 868000), (14, 620000), (16, 542500), (20, 434000), (25, 347200), (28, 310000), (31, 280000), (32, 271250), (35, 248000), (40, 217000), (50, 173600), (56, 155000), (62, 140000), (64, 135625), (70, 124000), (80, 108500), (100, 86800), (112, 77500), (124, 70000), (125, 69440), (140, 62000), (155, 56000), (160, 54250), (175, 49600), (200, 43400), (217, 40000), (224, 38750), (248, 35000), (250, 34720), (280, 31000), (310, 28000), (320, 27125), (350, 24800), (400, 21700), (434, 20000), (448, 19375), (496, 17500), (500, 17360), (560, 15500), (620, 14000), (625, 13888), (700, 12400), (775, 11200), (800, 10850), (868, 10000), (875, 9920), (992, 8750), (1000, 8680), (1085, 8000), (1120, 7750), (1240, 7000), (1250, 6944), (1400, 6200), (1550, 5600), (1600, 5425), (1736, 5000), (1750, 4960), (1984, 4375), (2000, 4340), (2170, 4000), (2240, 3875), (2480, 3500), (2500, 3472), (2800, 3100)]