140804440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{199}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 390906000

約数和(自身を除く): 250101560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 199, 245, 266, 280, 361, 380, 392, 398, 490, 532, 665, 722, 760, 796, 931, 980, 995, 1064, 1330, 1393, 1444, 1592, 1805, 1862, 1960, 1990, 2527, 2660, 2786, 2888, 3610, 3724, 3781, 3980, 4655, 5054, 5320, 5572, 6965, 7220, 7448, 7562, 7960, 9310, 9751, 10108, 11144, 12635, 13930, 14440, 15124, 17689, 18620, 18905, 19502, 20216, 25270, 26467, 27860, 30248, 35378, 37240, 37810, 39004, 48755, 50540, 52934, 55720, 70756, 71839, 75620, 78008, 88445, 97510, 101080, 105868, 132335, 141512, 143678, 151240, 176890, 185269, 195020, 211736, 264670, 287356, 353780, 359195, 370538, 390040, 502873, 529340, 574712, 707560, 718390, 741076, 926345, 1005746, 1058680, 1436780, 1482152, 1852690, 2011492, 2514365, 2873560, 3520111, 3705380, 4022984, 5028730, 7040222, 7410760, 10057460, 14080444, 17600555, 20114920, 28160888, 35201110, 70402220, 140804440]

約数ペア:

[(1, 140804440), (2, 70402220), (4, 35201110), (5, 28160888), (7, 20114920), (8, 17600555), (10, 14080444), (14, 10057460), (19, 7410760), (20, 7040222), (28, 5028730), (35, 4022984), (38, 3705380), (40, 3520111), (49, 2873560), (56, 2514365), (70, 2011492), (76, 1852690), (95, 1482152), (98, 1436780), (133, 1058680), (140, 1005746), (152, 926345), (190, 741076), (196, 718390), (199, 707560), (245, 574712), (266, 529340), (280, 502873), (361, 390040), (380, 370538), (392, 359195), (398, 353780), (490, 287356), (532, 264670), (665, 211736), (722, 195020), (760, 185269), (796, 176890), (931, 151240), (980, 143678), (995, 141512), (1064, 132335), (1330, 105868), (1393, 101080), (1444, 97510), (1592, 88445), (1805, 78008), (1862, 75620), (1960, 71839), (1990, 70756), (2527, 55720), (2660, 52934), (2786, 50540), (2888, 48755), (3610, 39004), (3724, 37810), (3781, 37240), (3980, 35378), (4655, 30248), (5054, 27860), (5320, 26467), (5572, 25270), (6965, 20216), (7220, 19502), (7448, 18905), (7562, 18620), (7960, 17689), (9310, 15124), (9751, 14440), (10108, 13930), (11144, 12635)]