284993478

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 240

約数和(自身を含む): 840440832

約数和(自身を除く): 555447354

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 31, 33, 42, 54, 62, 63, 66, 67, 77, 81, 93, 99, 121, 126, 134, 154, 162, 186, 189, 198, 201, 217, 231, 242, 279, 297, 341, 363, 378, 402, 434, 462, 469, 558, 567, 594, 603, 651, 682, 693, 726, 737, 837, 847, 891, 938, 1023, 1089, 1134, 1206, 1302, 1386, 1407, 1474, 1674, 1694, 1782, 1809, 1953, 2046, 2077, 2079, 2178, 2211, 2387, 2511, 2541, 2814, 3069, 3267, 3618, 3751, 3906, 4154, 4158, 4221, 4422, 4774, 5022, 5082, 5159, 5427, 5859, 6138, 6231, 6237, 6534, 6633, 7161, 7502, 7623, 8107, 8442, 9207, 9801, 10318, 10854, 11253, 11718, 12462, 12474, 12663, 13266, 14322, 14539, 15246, 15477, 16214, 17577, 18414, 18693, 19602, 19899, 21483, 22506, 22847, 22869, 24321, 25326, 26257, 27621, 29078, 30954, 33759, 35154, 37386, 37989, 39798, 42966, 43617, 45694, 45738, 46431, 48642, 52514, 55242, 56079, 56749, 59697, 64449, 67518, 68541, 68607, 72963, 75978, 78771, 87234, 92862, 101277, 112158, 113498, 119394, 128898, 130851, 137082, 137214, 139293, 145926, 157542, 159929, 168237, 170247, 193347, 202554, 205623, 218889, 236313, 251317, 261702, 278586, 303831, 319858, 336474, 340494, 386694, 392553, 411246, 417879, 437778, 472626, 479787, 502634, 510741, 607662, 616869, 656667, 708939, 753951, 785106, 835758, 959574, 1021482, 1177659, 1233738, 1313334, 1417878, 1439361, 1507902, 1532223, 1759219, 1850607, 2126817, 2261853, 2355318, 2878722, 3064446, 3518438, 3701214, 4253634, 4318083, 4523706, 4596669, 5277657, 6785559, 8636166, 9193338, 10555314, 12954249, 13571118, 15832971, 20356677, 25908498, 31665942, 40713354, 47498913, 94997826, 142496739, 284993478]

約数ペア:

[(1, 284993478), (2, 142496739), (3, 94997826), (6, 47498913), (7, 40713354), (9, 31665942), (11, 25908498), (14, 20356677), (18, 15832971), (21, 13571118), (22, 12954249), (27, 10555314), (31, 9193338), (33, 8636166), (42, 6785559), (54, 5277657), (62, 4596669), (63, 4523706), (66, 4318083), (67, 4253634), (77, 3701214), (81, 3518438), (93, 3064446), (99, 2878722), (121, 2355318), (126, 2261853), (134, 2126817), (154, 1850607), (162, 1759219), (186, 1532223), (189, 1507902), (198, 1439361), (201, 1417878), (217, 1313334), (231, 1233738), (242, 1177659), (279, 1021482), (297, 959574), (341, 835758), (363, 785106), (378, 753951), (402, 708939), (434, 656667), (462, 616869), (469, 607662), (558, 510741), (567, 502634), (594, 479787), (603, 472626), (651, 437778), (682, 417879), (693, 411246), (726, 392553), (737, 386694), (837, 340494), (847, 336474), (891, 319858), (938, 303831), (1023, 278586), (1089, 261702), (1134, 251317), (1206, 236313), (1302, 218889), (1386, 205623), (1407, 202554), (1474, 193347), (1674, 170247), (1694, 168237), (1782, 159929), (1809, 157542), (1953, 145926), (2046, 139293), (2077, 137214), (2079, 137082), (2178, 130851), (2211, 128898), (2387, 119394), (2511, 113498), (2541, 112158), (2814, 101277), (3069, 92862), (3267, 87234), (3618, 78771), (3751, 75978), (3906, 72963), (4154, 68607), (4158, 68541), (4221, 67518), (4422, 64449), (4774, 59697), (5022, 56749), (5082, 56079), (5159, 55242), (5427, 52514), (5859, 48642), (6138, 46431), (6231, 45738), (6237, 45694), (6534, 43617), (6633, 42966), (7161, 39798), (7502, 37989), (7623, 37386), (8107, 35154), (8442, 33759), (9207, 30954), (9801, 29078), (10318, 27621), (10854, 26257), (11253, 25326), (11718, 24321), (12462, 22869), (12474, 22847), (12663, 22506), (13266, 21483), (14322, 19899), (14539, 19602), (15246, 18693), (15477, 18414), (16214, 17577)]