220888668

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 288

約数和(自身を含む): 733598208

約数和(自身を除く): 512709540

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 37, 39, 42, 44, 49, 52, 66, 71, 74, 77, 78, 84, 91, 98, 111, 132, 142, 143, 147, 148, 154, 156, 182, 196, 213, 222, 231, 259, 273, 284, 286, 294, 308, 364, 407, 426, 429, 444, 462, 481, 497, 518, 539, 546, 572, 588, 637, 777, 781, 814, 852, 858, 923, 924, 962, 994, 1001, 1036, 1078, 1092, 1221, 1274, 1443, 1491, 1554, 1562, 1617, 1628, 1716, 1813, 1846, 1911, 1924, 1988, 2002, 2156, 2343, 2442, 2548, 2627, 2769, 2849, 2886, 2982, 3003, 3108, 3124, 3234, 3367, 3479, 3626, 3692, 3822, 4004, 4686, 4884, 5254, 5291, 5439, 5467, 5538, 5698, 5772, 5964, 6006, 6461, 6468, 6734, 6958, 7007, 7252, 7644, 7881, 8547, 9372, 10101, 10153, 10437, 10508, 10582, 10878, 10934, 11076, 11396, 12012, 12922, 13468, 13916, 14014, 15762, 15873, 16401, 17094, 18389, 19383, 19943, 20202, 20306, 20874, 21021, 21164, 21756, 21868, 23569, 25844, 28028, 28897, 30459, 31524, 31746, 32802, 34151, 34188, 36778, 37037, 38269, 38766, 39886, 40404, 40612, 41748, 42042, 45227, 47138, 55167, 57794, 59829, 60918, 63492, 65604, 68302, 70707, 71071, 73556, 74074, 76538, 77532, 79772, 84084, 86691, 90454, 94276, 102453, 110334, 111111, 114807, 115588, 119658, 121836, 128723, 135681, 136604, 141414, 142142, 148148, 153076, 173382, 180908, 202279, 204906, 213213, 220668, 222222, 229614, 239057, 239316, 257446, 259259, 271362, 282828, 284284, 346764, 375661, 386169, 404558, 409812, 426426, 444444, 459228, 478114, 497497, 514892, 518518, 542724, 606837, 717171, 751322, 772338, 777777, 809116, 852852, 956228, 994994, 1037036, 1126983, 1213674, 1415953, 1434342, 1492491, 1502644, 1544676, 1555554, 1673399, 1989988, 2253966, 2427348, 2629627, 2831906, 2868684, 2984982, 3111108, 3346798, 4247859, 4507932, 5020197, 5259254, 5663812, 5969964, 6693596, 7888881, 8495718, 10040394, 10518508, 15777762, 16991436, 18407389, 20080788, 31555524, 36814778, 55222167, 73629556, 110444334, 220888668]

約数ペア:

[(1, 220888668), (2, 110444334), (3, 73629556), (4, 55222167), (6, 36814778), (7, 31555524), (11, 20080788), (12, 18407389), (13, 16991436), (14, 15777762), (21, 10518508), (22, 10040394), (26, 8495718), (28, 7888881), (33, 6693596), (37, 5969964), (39, 5663812), (42, 5259254), (44, 5020197), (49, 4507932), (52, 4247859), (66, 3346798), (71, 3111108), (74, 2984982), (77, 2868684), (78, 2831906), (84, 2629627), (91, 2427348), (98, 2253966), (111, 1989988), (132, 1673399), (142, 1555554), (143, 1544676), (147, 1502644), (148, 1492491), (154, 1434342), (156, 1415953), (182, 1213674), (196, 1126983), (213, 1037036), (222, 994994), (231, 956228), (259, 852852), (273, 809116), (284, 777777), (286, 772338), (294, 751322), (308, 717171), (364, 606837), (407, 542724), (426, 518518), (429, 514892), (444, 497497), (462, 478114), (481, 459228), (497, 444444), (518, 426426), (539, 409812), (546, 404558), (572, 386169), (588, 375661), (637, 346764), (777, 284284), (781, 282828), (814, 271362), (852, 259259), (858, 257446), (923, 239316), (924, 239057), (962, 229614), (994, 222222), (1001, 220668), (1036, 213213), (1078, 204906), (1092, 202279), (1221, 180908), (1274, 173382), (1443, 153076), (1491, 148148), (1554, 142142), (1562, 141414), (1617, 136604), (1628, 135681), (1716, 128723), (1813, 121836), (1846, 119658), (1911, 115588), (1924, 114807), (1988, 111111), (2002, 110334), (2156, 102453), (2343, 94276), (2442, 90454), (2548, 86691), (2627, 84084), (2769, 79772), (2849, 77532), (2886, 76538), (2982, 74074), (3003, 73556), (3108, 71071), (3124, 70707), (3234, 68302), (3367, 65604), (3479, 63492), (3626, 60918), (3692, 59829), (3822, 57794), (4004, 55167), (4686, 47138), (4884, 45227), (5254, 42042), (5291, 41748), (5439, 40612), (5467, 40404), (5538, 39886), (5698, 38766), (5772, 38269), (5964, 37037), (6006, 36778), (6461, 34188), (6468, 34151), (6734, 32802), (6958, 31746), (7007, 31524), (7252, 30459), (7644, 28897), (7881, 28028), (8547, 25844), (9372, 23569), (10101, 21868), (10153, 21756), (10437, 21164), (10508, 21021), (10582, 20874), (10878, 20306), (10934, 20202), (11076, 19943), (11396, 19383), (12012, 18389), (12922, 17094), (13468, 16401), (13916, 15873), (14014, 15762)]