28529050760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{69931}}^1$

素因数の和:70027

約数の個数: 128

約数和(自身を含む): 77339197440

約数和(自身を除く): 48810146680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 47, 56, 62, 70, 94, 124, 140, 155, 188, 217, 235, 248, 280, 310, 329, 376, 434, 470, 620, 658, 868, 940, 1085, 1240, 1316, 1457, 1645, 1736, 1880, 2170, 2632, 2914, 3290, 4340, 5828, 6580, 7285, 8680, 10199, 11656, 13160, 14570, 20398, 29140, 40796, 50995, 58280, 69931, 81592, 101990, 139862, 203980, 279724, 349655, 407960, 489517, 559448, 699310, 979034, 1398620, 1958068, 2167861, 2447585, 2797240, 3286757, 3916136, 4335722, 4895170, 6573514, 8671444, 9790340, 10839305, 13147028, 15175027, 16433785, 17342888, 19580680, 21678610, 23007299, 26294056, 30350054, 32867570, 43357220, 46014598, 60700108, 65735140, 75875135, 86714440, 92029196, 101889467, 115036495, 121400216, 131470280, 151750270, 184058392, 203778934, 230072990, 303500540, 407557868, 460145980, 509447335, 607001080, 713226269, 815115736, 920291960, 1018894670, 1426452538, 2037789340, 2852905076, 3566131345, 4075578680, 5705810152, 7132262690, 14264525380, 28529050760]

約数ペア:

[(1, 28529050760), (2, 14264525380), (4, 7132262690), (5, 5705810152), (7, 4075578680), (8, 3566131345), (10, 2852905076), (14, 2037789340), (20, 1426452538), (28, 1018894670), (31, 920291960), (35, 815115736), (40, 713226269), (47, 607001080), (56, 509447335), (62, 460145980), (70, 407557868), (94, 303500540), (124, 230072990), (140, 203778934), (155, 184058392), (188, 151750270), (217, 131470280), (235, 121400216), (248, 115036495), (280, 101889467), (310, 92029196), (329, 86714440), (376, 75875135), (434, 65735140), (470, 60700108), (620, 46014598), (658, 43357220), (868, 32867570), (940, 30350054), (1085, 26294056), (1240, 23007299), (1316, 21678610), (1457, 19580680), (1645, 17342888), (1736, 16433785), (1880, 15175027), (2170, 13147028), (2632, 10839305), (2914, 9790340), (3290, 8671444), (4340, 6573514), (5828, 4895170), (6580, 4335722), (7285, 3916136), (8680, 3286757), (10199, 2797240), (11656, 2447585), (13160, 2167861), (14570, 1958068), (20398, 1398620), (29140, 979034), (40796, 699310), (50995, 559448), (58280, 489517), (69931, 407960), (81592, 349655), (101990, 279724), (139862, 203980)]