20139000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^2\times {\mathrm{137}}^1$

素因数の和:175

約数の個数: 192

約数和(自身を含む): 73625760

約数和(自身を除く): 53486760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 49, 50, 56, 60, 70, 75, 84, 98, 100, 105, 120, 125, 137, 140, 147, 150, 168, 175, 196, 200, 210, 245, 250, 274, 280, 294, 300, 350, 375, 392, 411, 420, 490, 500, 525, 548, 588, 600, 685, 700, 735, 750, 822, 840, 875, 959, 980, 1000, 1050, 1096, 1176, 1225, 1370, 1400, 1470, 1500, 1644, 1750, 1918, 1960, 2055, 2100, 2450, 2625, 2740, 2877, 2940, 3000, 3288, 3425, 3500, 3675, 3836, 4110, 4200, 4795, 4900, 5250, 5480, 5754, 5880, 6125, 6713, 6850, 7000, 7350, 7672, 8220, 9590, 9800, 10275, 10500, 11508, 12250, 13426, 13700, 14385, 14700, 16440, 17125, 18375, 19180, 20139, 20550, 21000, 23016, 23975, 24500, 26852, 27400, 28770, 29400, 33565, 34250, 36750, 38360, 40278, 41100, 47950, 49000, 51375, 53704, 57540, 67130, 68500, 71925, 73500, 80556, 82200, 95900, 100695, 102750, 115080, 119875, 134260, 137000, 143850, 147000, 161112, 167825, 191800, 201390, 205500, 239750, 268520, 287700, 335650, 359625, 402780, 411000, 479500, 503475, 575400, 671300, 719250, 805560, 839125, 959000, 1006950, 1342600, 1438500, 1678250, 2013900, 2517375, 2877000, 3356500, 4027800, 5034750, 6713000, 10069500, 20139000]

約数ペア:

[(1, 20139000), (2, 10069500), (3, 6713000), (4, 5034750), (5, 4027800), (6, 3356500), (7, 2877000), (8, 2517375), (10, 2013900), (12, 1678250), (14, 1438500), (15, 1342600), (20, 1006950), (21, 959000), (24, 839125), (25, 805560), (28, 719250), (30, 671300), (35, 575400), (40, 503475), (42, 479500), (49, 411000), (50, 402780), (56, 359625), (60, 335650), (70, 287700), (75, 268520), (84, 239750), (98, 205500), (100, 201390), (105, 191800), (120, 167825), (125, 161112), (137, 147000), (140, 143850), (147, 137000), (150, 134260), (168, 119875), (175, 115080), (196, 102750), (200, 100695), (210, 95900), (245, 82200), (250, 80556), (274, 73500), (280, 71925), (294, 68500), (300, 67130), (350, 57540), (375, 53704), (392, 51375), (411, 49000), (420, 47950), (490, 41100), (500, 40278), (525, 38360), (548, 36750), (588, 34250), (600, 33565), (685, 29400), (700, 28770), (735, 27400), (750, 26852), (822, 24500), (840, 23975), (875, 23016), (959, 21000), (980, 20550), (1000, 20139), (1050, 19180), (1096, 18375), (1176, 17125), (1225, 16440), (1370, 14700), (1400, 14385), (1470, 13700), (1500, 13426), (1644, 12250), (1750, 11508), (1918, 10500), (1960, 10275), (2055, 9800), (2100, 9590), (2450, 8220), (2625, 7672), (2740, 7350), (2877, 7000), (2940, 6850), (3000, 6713), (3288, 6125), (3425, 5880), (3500, 5754), (3675, 5480), (3836, 5250), (4110, 4900), (4200, 4795)]