1285285540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:458

約数の個数: 192

約数和(自身を含む): 3550998528

約数和(自身を除く): 2265712988

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 77, 92, 110, 115, 131, 140, 154, 161, 220, 230, 253, 262, 277, 308, 322, 385, 460, 506, 524, 554, 644, 655, 770, 805, 917, 1012, 1108, 1265, 1310, 1385, 1441, 1540, 1610, 1771, 1834, 1939, 2530, 2620, 2770, 2882, 3013, 3047, 3220, 3542, 3668, 3878, 4585, 5060, 5540, 5764, 6026, 6094, 6371, 7084, 7205, 7756, 8855, 9170, 9695, 10087, 12052, 12188, 12742, 14410, 15065, 15235, 17710, 18340, 19390, 20174, 21091, 21329, 25484, 28820, 30130, 30470, 31855, 33143, 35420, 36287, 38780, 40348, 42182, 42658, 44597, 50435, 60260, 60940, 63710, 66286, 70081, 72574, 84364, 85316, 89194, 100870, 105455, 106645, 127420, 132572, 140162, 145148, 165715, 178388, 181435, 201740, 210910, 213290, 222985, 232001, 254009, 280324, 331430, 350405, 362870, 399157, 421820, 426580, 445970, 464002, 490567, 508018, 662860, 700810, 725740, 798314, 834601, 891940, 928004, 981134, 1016036, 1160005, 1270045, 1401620, 1596628, 1669202, 1962268, 1995785, 2320010, 2452835, 2540090, 2794099, 3338404, 3991570, 4173005, 4640020, 4905670, 5080180, 5588198, 5842207, 7983140, 8346010, 9180611, 9811340, 11176396, 11684414, 13970495, 16692020, 18361222, 23368828, 27940990, 29211035, 36722444, 45903055, 55881980, 58422070, 64264277, 91806110, 116844140, 128528554, 183612220, 257057108, 321321385, 642642770, 1285285540]

約数ペア:

[(1, 1285285540), (2, 642642770), (4, 321321385), (5, 257057108), (7, 183612220), (10, 128528554), (11, 116844140), (14, 91806110), (20, 64264277), (22, 58422070), (23, 55881980), (28, 45903055), (35, 36722444), (44, 29211035), (46, 27940990), (55, 23368828), (70, 18361222), (77, 16692020), (92, 13970495), (110, 11684414), (115, 11176396), (131, 9811340), (140, 9180611), (154, 8346010), (161, 7983140), (220, 5842207), (230, 5588198), (253, 5080180), (262, 4905670), (277, 4640020), (308, 4173005), (322, 3991570), (385, 3338404), (460, 2794099), (506, 2540090), (524, 2452835), (554, 2320010), (644, 1995785), (655, 1962268), (770, 1669202), (805, 1596628), (917, 1401620), (1012, 1270045), (1108, 1160005), (1265, 1016036), (1310, 981134), (1385, 928004), (1441, 891940), (1540, 834601), (1610, 798314), (1771, 725740), (1834, 700810), (1939, 662860), (2530, 508018), (2620, 490567), (2770, 464002), (2882, 445970), (3013, 426580), (3047, 421820), (3220, 399157), (3542, 362870), (3668, 350405), (3878, 331430), (4585, 280324), (5060, 254009), (5540, 232001), (5764, 222985), (6026, 213290), (6094, 210910), (6371, 201740), (7084, 181435), (7205, 178388), (7756, 165715), (8855, 145148), (9170, 140162), (9695, 132572), (10087, 127420), (12052, 106645), (12188, 105455), (12742, 100870), (14410, 89194), (15065, 85316), (15235, 84364), (17710, 72574), (18340, 70081), (19390, 66286), (20174, 63710), (21091, 60940), (21329, 60260), (25484, 50435), (28820, 44597), (30130, 42658), (30470, 42182), (31855, 40348), (33143, 38780), (35420, 36287)]