217135710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:319

約数の個数: 144

約数和(自身を含む): 629411328

約数和(自身を除く): 412275618

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 121, 127, 157, 165, 198, 242, 254, 314, 330, 363, 381, 471, 495, 605, 635, 726, 762, 785, 942, 990, 1089, 1143, 1210, 1270, 1397, 1413, 1570, 1727, 1815, 1905, 2178, 2286, 2355, 2794, 2826, 3454, 3630, 3810, 4191, 4710, 5181, 5445, 5715, 6985, 7065, 8382, 8635, 10362, 10890, 11430, 12573, 13970, 14130, 15367, 15543, 17270, 18997, 19939, 20955, 25146, 25905, 30734, 31086, 37994, 39878, 41910, 46101, 51810, 56991, 59817, 62865, 76835, 77715, 92202, 94985, 99695, 113982, 119634, 125730, 138303, 153670, 155430, 170973, 179451, 189970, 199390, 219329, 230505, 276606, 284955, 299085, 341946, 358902, 438658, 461010, 569910, 598170, 657987, 691515, 854865, 897255, 1096645, 1315974, 1383030, 1709730, 1794510, 1973961, 2193290, 2412619, 3289935, 3947922, 4825238, 6579870, 7237857, 9869805, 12063095, 14475714, 19739610, 21713571, 24126190, 36189285, 43427142, 72378570, 108567855, 217135710]

約数ペア:

[(1, 217135710), (2, 108567855), (3, 72378570), (5, 43427142), (6, 36189285), (9, 24126190), (10, 21713571), (11, 19739610), (15, 14475714), (18, 12063095), (22, 9869805), (30, 7237857), (33, 6579870), (45, 4825238), (55, 3947922), (66, 3289935), (90, 2412619), (99, 2193290), (110, 1973961), (121, 1794510), (127, 1709730), (157, 1383030), (165, 1315974), (198, 1096645), (242, 897255), (254, 854865), (314, 691515), (330, 657987), (363, 598170), (381, 569910), (471, 461010), (495, 438658), (605, 358902), (635, 341946), (726, 299085), (762, 284955), (785, 276606), (942, 230505), (990, 219329), (1089, 199390), (1143, 189970), (1210, 179451), (1270, 170973), (1397, 155430), (1413, 153670), (1570, 138303), (1727, 125730), (1815, 119634), (1905, 113982), (2178, 99695), (2286, 94985), (2355, 92202), (2794, 77715), (2826, 76835), (3454, 62865), (3630, 59817), (3810, 56991), (4191, 51810), (4710, 46101), (5181, 41910), (5445, 39878), (5715, 37994), (6985, 31086), (7065, 30734), (8382, 25905), (8635, 25146), (10362, 20955), (10890, 19939), (11430, 18997), (12573, 17270), (13970, 15543), (14130, 15367)]