2491990410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{449}}^1$

素因数の和:605

約数の個数: 256

約数和(自身を含む): 7838208000

約数和(自身を除く): 5346217590

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 19, 21, 26, 30, 35, 38, 39, 42, 57, 65, 70, 78, 91, 95, 105, 107, 114, 130, 133, 182, 190, 195, 210, 214, 247, 266, 273, 285, 321, 390, 399, 449, 455, 494, 535, 546, 570, 642, 665, 741, 749, 798, 898, 910, 1070, 1235, 1330, 1347, 1365, 1391, 1482, 1498, 1605, 1729, 1995, 2033, 2245, 2247, 2470, 2694, 2730, 2782, 3143, 3210, 3458, 3705, 3745, 3990, 4066, 4173, 4490, 4494, 5187, 5837, 6099, 6286, 6735, 6955, 7410, 7490, 8346, 8531, 8645, 9429, 9737, 10165, 10374, 11235, 11674, 12198, 13470, 13910, 14231, 15715, 17062, 17290, 17511, 18858, 19474, 20330, 20865, 22470, 25593, 25935, 26429, 28462, 29185, 29211, 30495, 31430, 35022, 40859, 41730, 42655, 42693, 47145, 48043, 48685, 51186, 51870, 52858, 58370, 58422, 59717, 60990, 71155, 79287, 81718, 85310, 85386, 87555, 94290, 96086, 97370, 110903, 119434, 122577, 127965, 132145, 142310, 144129, 146055, 158574, 175110, 179151, 185003, 204295, 213465, 221806, 240215, 245154, 255930, 264290, 288258, 292110, 298585, 332709, 336301, 358302, 370006, 396435, 408590, 426930, 480430, 554515, 555009, 597170, 612885, 624559, 665418, 672602, 720645, 776321, 792870, 895755, 912817, 925015, 1008903, 1109030, 1110018, 1225770, 1249118, 1441290, 1552642, 1663545, 1681505, 1791510, 1825634, 1850030, 1873677, 2017806, 2328963, 2738451, 2775045, 3122795, 3327090, 3363010, 3747354, 3881605, 4371913, 4564085, 4657926, 5044515, 5476902, 5550090, 6245590, 6389719, 7763210, 8743826, 9128170, 9368385, 10089030, 11644815, 11866621, 12779438, 13115739, 13692255, 18736770, 19169157, 21859565, 23289630, 23733242, 26231478, 27384510, 31948595, 35599863, 38338314, 43719130, 59333105, 63897190, 65578695, 71199726, 83066347, 95845785, 118666210, 131157390, 166132694, 177999315, 191691570, 249199041, 355998630, 415331735, 498398082, 830663470, 1245995205, 2491990410]

約数ペア:

[(1, 2491990410), (2, 1245995205), (3, 830663470), (5, 498398082), (6, 415331735), (7, 355998630), (10, 249199041), (13, 191691570), (14, 177999315), (15, 166132694), (19, 131157390), (21, 118666210), (26, 95845785), (30, 83066347), (35, 71199726), (38, 65578695), (39, 63897190), (42, 59333105), (57, 43719130), (65, 38338314), (70, 35599863), (78, 31948595), (91, 27384510), (95, 26231478), (105, 23733242), (107, 23289630), (114, 21859565), (130, 19169157), (133, 18736770), (182, 13692255), (190, 13115739), (195, 12779438), (210, 11866621), (214, 11644815), (247, 10089030), (266, 9368385), (273, 9128170), (285, 8743826), (321, 7763210), (390, 6389719), (399, 6245590), (449, 5550090), (455, 5476902), (494, 5044515), (535, 4657926), (546, 4564085), (570, 4371913), (642, 3881605), (665, 3747354), (741, 3363010), (749, 3327090), (798, 3122795), (898, 2775045), (910, 2738451), (1070, 2328963), (1235, 2017806), (1330, 1873677), (1347, 1850030), (1365, 1825634), (1391, 1791510), (1482, 1681505), (1498, 1663545), (1605, 1552642), (1729, 1441290), (1995, 1249118), (2033, 1225770), (2245, 1110018), (2247, 1109030), (2470, 1008903), (2694, 925015), (2730, 912817), (2782, 895755), (3143, 792870), (3210, 776321), (3458, 720645), (3705, 672602), (3745, 665418), (3990, 624559), (4066, 612885), (4173, 597170), (4490, 555009), (4494, 554515), (5187, 480430), (5837, 426930), (6099, 408590), (6286, 396435), (6735, 370006), (6955, 358302), (7410, 336301), (7490, 332709), (8346, 298585), (8531, 292110), (8645, 288258), (9429, 264290), (9737, 255930), (10165, 245154), (10374, 240215), (11235, 221806), (11674, 213465), (12198, 204295), (13470, 185003), (13910, 179151), (14231, 175110), (15715, 158574), (17062, 146055), (17290, 144129), (17511, 142310), (18858, 132145), (19474, 127965), (20330, 122577), (20865, 119434), (22470, 110903), (25593, 97370), (25935, 96086), (26429, 94290), (28462, 87555), (29185, 85386), (29211, 85310), (30495, 81718), (31430, 79287), (35022, 71155), (40859, 60990), (41730, 59717), (42655, 58422), (42693, 58370), (47145, 52858), (48043, 51870), (48685, 51186)]