18865000

素因数分解:

$2^3\times 5^4\times 7^3\times {\mathrm{11}}^1$

素因数の和:58

約数の個数: 160

約数和(自身を含む): 56232000

約数和(自身を除く): 37367000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 49, 50, 55, 56, 70, 77, 88, 98, 100, 110, 125, 140, 154, 175, 196, 200, 220, 245, 250, 275, 280, 308, 343, 350, 385, 392, 440, 490, 500, 539, 550, 616, 625, 686, 700, 770, 875, 980, 1000, 1078, 1100, 1225, 1250, 1372, 1375, 1400, 1540, 1715, 1750, 1925, 1960, 2156, 2200, 2450, 2500, 2695, 2744, 2750, 3080, 3430, 3500, 3773, 3850, 4312, 4375, 4900, 5000, 5390, 5500, 6125, 6860, 6875, 7000, 7546, 7700, 8575, 8750, 9625, 9800, 10780, 11000, 12250, 13475, 13720, 13750, 15092, 15400, 17150, 17500, 18865, 19250, 21560, 24500, 26950, 27500, 30184, 30625, 34300, 35000, 37730, 38500, 42875, 48125, 49000, 53900, 55000, 61250, 67375, 68600, 75460, 77000, 85750, 94325, 96250, 107800, 122500, 134750, 150920, 171500, 188650, 192500, 214375, 245000, 269500, 336875, 343000, 377300, 385000, 428750, 471625, 539000, 673750, 754600, 857500, 943250, 1347500, 1715000, 1886500, 2358125, 2695000, 3773000, 4716250, 9432500, 18865000]

約数ペア:

[(1, 18865000), (2, 9432500), (4, 4716250), (5, 3773000), (7, 2695000), (8, 2358125), (10, 1886500), (11, 1715000), (14, 1347500), (20, 943250), (22, 857500), (25, 754600), (28, 673750), (35, 539000), (40, 471625), (44, 428750), (49, 385000), (50, 377300), (55, 343000), (56, 336875), (70, 269500), (77, 245000), (88, 214375), (98, 192500), (100, 188650), (110, 171500), (125, 150920), (140, 134750), (154, 122500), (175, 107800), (196, 96250), (200, 94325), (220, 85750), (245, 77000), (250, 75460), (275, 68600), (280, 67375), (308, 61250), (343, 55000), (350, 53900), (385, 49000), (392, 48125), (440, 42875), (490, 38500), (500, 37730), (539, 35000), (550, 34300), (616, 30625), (625, 30184), (686, 27500), (700, 26950), (770, 24500), (875, 21560), (980, 19250), (1000, 18865), (1078, 17500), (1100, 17150), (1225, 15400), (1250, 15092), (1372, 13750), (1375, 13720), (1400, 13475), (1540, 12250), (1715, 11000), (1750, 10780), (1925, 9800), (1960, 9625), (2156, 8750), (2200, 8575), (2450, 7700), (2500, 7546), (2695, 7000), (2744, 6875), (2750, 6860), (3080, 6125), (3430, 5500), (3500, 5390), (3773, 5000), (3850, 4900), (4312, 4375)]