54250000

素因数分解:

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

素因数の和:76

約数の個数: 140

約数和(自身を含む): 154998016

約数和(自身を除く): 100748016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 125, 140, 155, 175, 200, 217, 248, 250, 280, 310, 350, 400, 434, 496, 500, 560, 620, 625, 700, 775, 868, 875, 1000, 1085, 1240, 1250, 1400, 1550, 1736, 1750, 2000, 2170, 2480, 2500, 2800, 3100, 3125, 3472, 3500, 3875, 4340, 4375, 5000, 5425, 6200, 6250, 7000, 7750, 8680, 8750, 10000, 10850, 12400, 12500, 14000, 15500, 15625, 17360, 17500, 19375, 21700, 21875, 25000, 27125, 31000, 31250, 35000, 38750, 43400, 43750, 50000, 54250, 62000, 62500, 70000, 77500, 86800, 87500, 96875, 108500, 109375, 125000, 135625, 155000, 175000, 193750, 217000, 218750, 250000, 271250, 310000, 350000, 387500, 434000, 437500, 484375, 542500, 678125, 775000, 875000, 968750, 1085000, 1356250, 1550000, 1750000, 1937500, 2170000, 2712500, 3390625, 3875000, 5425000, 6781250, 7750000, 10850000, 13562500, 27125000, 54250000]

約数ペア:

[(1, 54250000), (2, 27125000), (4, 13562500), (5, 10850000), (7, 7750000), (8, 6781250), (10, 5425000), (14, 3875000), (16, 3390625), (20, 2712500), (25, 2170000), (28, 1937500), (31, 1750000), (35, 1550000), (40, 1356250), (50, 1085000), (56, 968750), (62, 875000), (70, 775000), (80, 678125), (100, 542500), (112, 484375), (124, 437500), (125, 434000), (140, 387500), (155, 350000), (175, 310000), (200, 271250), (217, 250000), (248, 218750), (250, 217000), (280, 193750), (310, 175000), (350, 155000), (400, 135625), (434, 125000), (496, 109375), (500, 108500), (560, 96875), (620, 87500), (625, 86800), (700, 77500), (775, 70000), (868, 62500), (875, 62000), (1000, 54250), (1085, 50000), (1240, 43750), (1250, 43400), (1400, 38750), (1550, 35000), (1736, 31250), (1750, 31000), (2000, 27125), (2170, 25000), (2480, 21875), (2500, 21700), (2800, 19375), (3100, 17500), (3125, 17360), (3472, 15625), (3500, 15500), (3875, 14000), (4340, 12500), (4375, 12400), (5000, 10850), (5425, 10000), (6200, 8750), (6250, 8680), (7000, 7750)]