8137500

素因数分解:

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

素因数の和:70

約数の個数: 144

約数和(自身を含む): 27998208

約数和(自身を除く): 19860708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 31, 35, 42, 50, 60, 62, 70, 75, 84, 93, 100, 105, 124, 125, 140, 150, 155, 175, 186, 210, 217, 250, 300, 310, 350, 372, 375, 420, 434, 465, 500, 525, 620, 625, 651, 700, 750, 775, 868, 875, 930, 1050, 1085, 1250, 1302, 1500, 1550, 1750, 1860, 1875, 2100, 2170, 2325, 2500, 2604, 2625, 3100, 3125, 3255, 3500, 3750, 3875, 4340, 4375, 4650, 5250, 5425, 6250, 6510, 7500, 7750, 8750, 9300, 9375, 10500, 10850, 11625, 12500, 13020, 13125, 15500, 16275, 17500, 18750, 19375, 21700, 21875, 23250, 26250, 27125, 32550, 37500, 38750, 43750, 46500, 52500, 54250, 58125, 65100, 65625, 77500, 81375, 87500, 96875, 108500, 116250, 131250, 135625, 162750, 193750, 232500, 262500, 271250, 290625, 325500, 387500, 406875, 542500, 581250, 678125, 813750, 1162500, 1356250, 1627500, 2034375, 2712500, 4068750, 8137500]

約数ペア:

[(1, 8137500), (2, 4068750), (3, 2712500), (4, 2034375), (5, 1627500), (6, 1356250), (7, 1162500), (10, 813750), (12, 678125), (14, 581250), (15, 542500), (20, 406875), (21, 387500), (25, 325500), (28, 290625), (30, 271250), (31, 262500), (35, 232500), (42, 193750), (50, 162750), (60, 135625), (62, 131250), (70, 116250), (75, 108500), (84, 96875), (93, 87500), (100, 81375), (105, 77500), (124, 65625), (125, 65100), (140, 58125), (150, 54250), (155, 52500), (175, 46500), (186, 43750), (210, 38750), (217, 37500), (250, 32550), (300, 27125), (310, 26250), (350, 23250), (372, 21875), (375, 21700), (420, 19375), (434, 18750), (465, 17500), (500, 16275), (525, 15500), (620, 13125), (625, 13020), (651, 12500), (700, 11625), (750, 10850), (775, 10500), (868, 9375), (875, 9300), (930, 8750), (1050, 7750), (1085, 7500), (1250, 6510), (1302, 6250), (1500, 5425), (1550, 5250), (1750, 4650), (1860, 4375), (1875, 4340), (2100, 3875), (2170, 3750), (2325, 3500), (2500, 3255), (2604, 3125), (2625, 3100)]