6639745000

素因数分解:

$2^3\times 5^4\times 7^2\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:742

約数の個数: 240

約数和(自身を含む): 18566260020

約数和(自身を除く): 11926515020

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 41, 49, 50, 56, 70, 82, 98, 100, 125, 140, 164, 175, 196, 200, 205, 245, 250, 280, 287, 328, 350, 392, 410, 490, 500, 574, 625, 661, 700, 820, 875, 980, 1000, 1025, 1148, 1225, 1250, 1322, 1400, 1435, 1640, 1750, 1960, 2009, 2050, 2296, 2450, 2500, 2644, 2870, 3305, 3500, 4018, 4100, 4375, 4627, 4900, 5000, 5125, 5288, 5740, 6125, 6610, 7000, 7175, 8036, 8200, 8750, 9254, 9800, 10045, 10250, 11480, 12250, 13220, 14350, 16072, 16525, 17500, 18508, 20090, 20500, 23135, 24500, 25625, 26440, 27101, 28700, 30625, 32389, 33050, 35000, 35875, 37016, 40180, 41000, 46270, 49000, 50225, 51250, 54202, 57400, 61250, 64778, 66100, 71750, 80360, 82625, 92540, 100450, 102500, 108404, 115675, 122500, 129556, 132200, 135505, 143500, 161945, 165250, 179375, 185080, 189707, 200900, 205000, 216808, 231350, 245000, 251125, 259112, 271010, 287000, 323890, 330500, 358750, 379414, 401800, 413125, 462700, 502250, 542020, 578375, 647780, 661000, 677525, 717500, 758828, 809725, 826250, 925400, 948535, 1004500, 1084040, 1156750, 1255625, 1295560, 1327949, 1355050, 1435000, 1517656, 1619450, 1652500, 1897070, 2009000, 2313500, 2511250, 2655898, 2710100, 2891875, 3238900, 3305000, 3387625, 3794140, 4048625, 4627000, 4742675, 5022500, 5311796, 5420200, 5783750, 6477800, 6639745, 6775250, 7588280, 8097250, 9485350, 10045000, 10623592, 11567500, 13279490, 13550500, 16194500, 16938125, 18970700, 20243125, 23135000, 23713375, 26558980, 27101000, 32389000, 33198725, 33876250, 37941400, 40486250, 47426750, 53117960, 66397450, 67752500, 80972500, 94853500, 118566875, 132794900, 135505000, 161945000, 165993625, 189707000, 237133750, 265589800, 331987250, 474267500, 663974500, 829968125, 948535000, 1327949000, 1659936250, 3319872500, 6639745000]

約数ペア:

[(1, 6639745000), (2, 3319872500), (4, 1659936250), (5, 1327949000), (7, 948535000), (8, 829968125), (10, 663974500), (14, 474267500), (20, 331987250), (25, 265589800), (28, 237133750), (35, 189707000), (40, 165993625), (41, 161945000), (49, 135505000), (50, 132794900), (56, 118566875), (70, 94853500), (82, 80972500), (98, 67752500), (100, 66397450), (125, 53117960), (140, 47426750), (164, 40486250), (175, 37941400), (196, 33876250), (200, 33198725), (205, 32389000), (245, 27101000), (250, 26558980), (280, 23713375), (287, 23135000), (328, 20243125), (350, 18970700), (392, 16938125), (410, 16194500), (490, 13550500), (500, 13279490), (574, 11567500), (625, 10623592), (661, 10045000), (700, 9485350), (820, 8097250), (875, 7588280), (980, 6775250), (1000, 6639745), (1025, 6477800), (1148, 5783750), (1225, 5420200), (1250, 5311796), (1322, 5022500), (1400, 4742675), (1435, 4627000), (1640, 4048625), (1750, 3794140), (1960, 3387625), (2009, 3305000), (2050, 3238900), (2296, 2891875), (2450, 2710100), (2500, 2655898), (2644, 2511250), (2870, 2313500), (3305, 2009000), (3500, 1897070), (4018, 1652500), (4100, 1619450), (4375, 1517656), (4627, 1435000), (4900, 1355050), (5000, 1327949), (5125, 1295560), (5288, 1255625), (5740, 1156750), (6125, 1084040), (6610, 1004500), (7000, 948535), (7175, 925400), (8036, 826250), (8200, 809725), (8750, 758828), (9254, 717500), (9800, 677525), (10045, 661000), (10250, 647780), (11480, 578375), (12250, 542020), (13220, 502250), (14350, 462700), (16072, 413125), (16525, 401800), (17500, 379414), (18508, 358750), (20090, 330500), (20500, 323890), (23135, 287000), (24500, 271010), (25625, 259112), (26440, 251125), (27101, 245000), (28700, 231350), (30625, 216808), (32389, 205000), (33050, 200900), (35000, 189707), (35875, 185080), (37016, 179375), (40180, 165250), (41000, 161945), (46270, 143500), (49000, 135505), (50225, 132200), (51250, 129556), (54202, 122500), (57400, 115675), (61250, 108404), (64778, 102500), (66100, 100450), (71750, 92540), (80360, 82625)]