208215000

素因数分解:

$2^3\times 3^2\times 5^4\times 7^1\times {\mathrm{661}}^1$

素因数の和:700

約数の個数: 240

約数和(自身を含む): 806554320

約数和(自身を除く): 598339320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 125, 126, 140, 150, 168, 175, 180, 200, 210, 225, 250, 252, 280, 300, 315, 350, 360, 375, 420, 450, 500, 504, 525, 600, 625, 630, 661, 700, 750, 840, 875, 900, 1000, 1050, 1125, 1250, 1260, 1322, 1400, 1500, 1575, 1750, 1800, 1875, 1983, 2100, 2250, 2500, 2520, 2625, 2644, 3000, 3150, 3305, 3500, 3750, 3966, 4200, 4375, 4500, 4627, 5000, 5250, 5288, 5625, 5949, 6300, 6610, 7000, 7500, 7875, 7932, 8750, 9000, 9254, 9915, 10500, 11250, 11898, 12600, 13125, 13220, 13881, 15000, 15750, 15864, 16525, 17500, 18508, 19830, 21000, 22500, 23135, 23796, 26250, 26440, 27762, 29745, 31500, 33050, 35000, 37016, 39375, 39660, 41643, 45000, 46270, 47592, 49575, 52500, 55524, 59490, 63000, 66100, 69405, 78750, 79320, 82625, 83286, 92540, 99150, 105000, 111048, 115675, 118980, 132200, 138810, 148725, 157500, 165250, 166572, 185080, 198300, 208215, 231350, 237960, 247875, 277620, 297450, 315000, 330500, 333144, 347025, 396600, 413125, 416430, 462700, 495750, 555240, 578375, 594900, 661000, 694050, 743625, 826250, 832860, 925400, 991500, 1041075, 1156750, 1189800, 1239375, 1388100, 1487250, 1652500, 1665720, 1735125, 1983000, 2082150, 2313500, 2478750, 2776200, 2891875, 2974500, 3305000, 3470250, 3718125, 4164300, 4627000, 4957500, 5205375, 5783750, 5949000, 6940500, 7436250, 8328600, 8675625, 9915000, 10410750, 11567500, 13881000, 14872500, 17351250, 20821500, 23135000, 26026875, 29745000, 34702500, 41643000, 52053750, 69405000, 104107500, 208215000]

約数ペア:

[(1, 208215000), (2, 104107500), (3, 69405000), (4, 52053750), (5, 41643000), (6, 34702500), (7, 29745000), (8, 26026875), (9, 23135000), (10, 20821500), (12, 17351250), (14, 14872500), (15, 13881000), (18, 11567500), (20, 10410750), (21, 9915000), (24, 8675625), (25, 8328600), (28, 7436250), (30, 6940500), (35, 5949000), (36, 5783750), (40, 5205375), (42, 4957500), (45, 4627000), (50, 4164300), (56, 3718125), (60, 3470250), (63, 3305000), (70, 2974500), (72, 2891875), (75, 2776200), (84, 2478750), (90, 2313500), (100, 2082150), (105, 1983000), (120, 1735125), (125, 1665720), (126, 1652500), (140, 1487250), (150, 1388100), (168, 1239375), (175, 1189800), (180, 1156750), (200, 1041075), (210, 991500), (225, 925400), (250, 832860), (252, 826250), (280, 743625), (300, 694050), (315, 661000), (350, 594900), (360, 578375), (375, 555240), (420, 495750), (450, 462700), (500, 416430), (504, 413125), (525, 396600), (600, 347025), (625, 333144), (630, 330500), (661, 315000), (700, 297450), (750, 277620), (840, 247875), (875, 237960), (900, 231350), (1000, 208215), (1050, 198300), (1125, 185080), (1250, 166572), (1260, 165250), (1322, 157500), (1400, 148725), (1500, 138810), (1575, 132200), (1750, 118980), (1800, 115675), (1875, 111048), (1983, 105000), (2100, 99150), (2250, 92540), (2500, 83286), (2520, 82625), (2625, 79320), (2644, 78750), (3000, 69405), (3150, 66100), (3305, 63000), (3500, 59490), (3750, 55524), (3966, 52500), (4200, 49575), (4375, 47592), (4500, 46270), (4627, 45000), (5000, 41643), (5250, 39660), (5288, 39375), (5625, 37016), (5949, 35000), (6300, 33050), (6610, 31500), (7000, 29745), (7500, 27762), (7875, 26440), (7932, 26250), (8750, 23796), (9000, 23135), (9254, 22500), (9915, 21000), (10500, 19830), (11250, 18508), (11898, 17500), (12600, 16525), (13125, 15864), (13220, 15750), (13881, 15000)]