287316920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:174

約数の個数: 192

約数和(自身を含む): 775656000

約数和(自身を除く): 488339080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 29, 40, 44, 46, 55, 58, 88, 89, 92, 110, 115, 116, 121, 145, 178, 184, 220, 230, 232, 242, 253, 290, 319, 356, 440, 445, 460, 484, 506, 580, 605, 638, 667, 712, 890, 920, 968, 979, 1012, 1160, 1210, 1265, 1276, 1334, 1595, 1780, 1958, 2024, 2047, 2420, 2530, 2552, 2581, 2668, 2783, 3190, 3335, 3509, 3560, 3916, 4094, 4840, 4895, 5060, 5162, 5336, 5566, 6380, 6670, 7018, 7337, 7832, 8188, 9790, 10120, 10235, 10324, 10769, 11132, 12760, 12905, 13340, 13915, 14036, 14674, 16376, 17545, 19580, 20470, 20648, 21538, 22264, 22517, 25810, 26680, 27830, 28072, 28391, 29348, 35090, 36685, 39160, 40940, 43076, 45034, 51620, 53845, 55660, 56782, 58696, 59363, 70180, 73370, 80707, 81880, 86152, 90068, 103240, 107690, 111320, 112585, 113564, 118726, 140360, 141955, 146740, 161414, 180136, 215380, 225170, 227128, 237452, 247687, 283910, 293480, 296815, 312301, 322828, 403535, 430760, 450340, 474904, 495374, 567820, 593630, 624602, 645656, 652993, 807070, 900680, 990748, 1135640, 1187260, 1238435, 1249204, 1305986, 1561505, 1614140, 1981496, 2374520, 2476870, 2498408, 2611972, 3123010, 3228280, 3264965, 4953740, 5223944, 6246020, 6529930, 7182923, 9907480, 12492040, 13059860, 14365846, 26119720, 28731692, 35914615, 57463384, 71829230, 143658460, 287316920]

約数ペア:

[(1, 287316920), (2, 143658460), (4, 71829230), (5, 57463384), (8, 35914615), (10, 28731692), (11, 26119720), (20, 14365846), (22, 13059860), (23, 12492040), (29, 9907480), (40, 7182923), (44, 6529930), (46, 6246020), (55, 5223944), (58, 4953740), (88, 3264965), (89, 3228280), (92, 3123010), (110, 2611972), (115, 2498408), (116, 2476870), (121, 2374520), (145, 1981496), (178, 1614140), (184, 1561505), (220, 1305986), (230, 1249204), (232, 1238435), (242, 1187260), (253, 1135640), (290, 990748), (319, 900680), (356, 807070), (440, 652993), (445, 645656), (460, 624602), (484, 593630), (506, 567820), (580, 495374), (605, 474904), (638, 450340), (667, 430760), (712, 403535), (890, 322828), (920, 312301), (968, 296815), (979, 293480), (1012, 283910), (1160, 247687), (1210, 237452), (1265, 227128), (1276, 225170), (1334, 215380), (1595, 180136), (1780, 161414), (1958, 146740), (2024, 141955), (2047, 140360), (2420, 118726), (2530, 113564), (2552, 112585), (2581, 111320), (2668, 107690), (2783, 103240), (3190, 90068), (3335, 86152), (3509, 81880), (3560, 80707), (3916, 73370), (4094, 70180), (4840, 59363), (4895, 58696), (5060, 56782), (5162, 55660), (5336, 53845), (5566, 51620), (6380, 45034), (6670, 43076), (7018, 40940), (7337, 39160), (7832, 36685), (8188, 35090), (9790, 29348), (10120, 28391), (10235, 28072), (10324, 27830), (10769, 26680), (11132, 25810), (12760, 22517), (12905, 22264), (13340, 21538), (13915, 20648), (14036, 20470), (14674, 19580), (16376, 17545)]