221648856

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 256

約数和(自身を含む): 718502400

約数和(自身を除く): 496853544

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 17, 22, 24, 26, 29, 33, 34, 39, 44, 51, 52, 58, 66, 68, 78, 87, 88, 102, 104, 116, 131, 132, 136, 143, 156, 174, 187, 204, 221, 232, 262, 264, 286, 312, 319, 348, 374, 377, 393, 408, 429, 442, 493, 524, 561, 572, 638, 663, 696, 748, 754, 786, 858, 884, 957, 986, 1048, 1122, 1131, 1144, 1276, 1326, 1441, 1479, 1496, 1508, 1572, 1703, 1716, 1768, 1914, 1972, 2227, 2244, 2262, 2431, 2552, 2652, 2882, 2958, 3016, 3144, 3406, 3432, 3799, 3828, 3944, 4147, 4323, 4454, 4488, 4524, 4862, 5109, 5304, 5423, 5764, 5916, 6409, 6681, 6812, 7293, 7598, 7656, 8294, 8646, 8908, 9048, 9724, 10218, 10846, 11397, 11528, 11832, 12441, 12818, 13362, 13624, 14586, 15196, 16269, 16588, 17292, 17816, 18733, 19227, 19448, 20436, 21692, 22794, 24497, 24882, 25636, 26724, 28951, 29172, 30392, 32538, 33176, 34584, 37466, 38454, 40872, 41789, 43384, 45588, 48994, 49387, 49764, 51272, 53448, 56199, 57902, 58344, 64583, 65076, 70499, 73491, 74932, 76908, 83578, 86853, 91176, 97988, 98774, 99528, 112398, 115804, 125367, 129166, 130152, 140998, 146982, 148161, 149864, 153816, 167156, 173706, 193749, 195976, 197548, 211497, 224796, 231608, 250734, 258332, 281996, 293964, 296322, 318461, 334312, 347412, 387498, 395096, 422994, 449592, 501468, 516664, 543257, 563992, 587928, 592644, 636922, 694824, 710413, 774996, 839579, 845988, 955383, 1002936, 1086514, 1185288, 1273844, 1420826, 1549992, 1629771, 1679158, 1691976, 1910766, 2131239, 2173028, 2518737, 2547688, 2841652, 3259542, 3358316, 3821532, 4262478, 4346056, 5037474, 5683304, 6519084, 6716632, 7643064, 8524956, 9235369, 10074948, 13038168, 17049912, 18470738, 20149896, 27706107, 36941476, 55412214, 73882952, 110824428, 221648856]

約数ペア:

[(1, 221648856), (2, 110824428), (3, 73882952), (4, 55412214), (6, 36941476), (8, 27706107), (11, 20149896), (12, 18470738), (13, 17049912), (17, 13038168), (22, 10074948), (24, 9235369), (26, 8524956), (29, 7643064), (33, 6716632), (34, 6519084), (39, 5683304), (44, 5037474), (51, 4346056), (52, 4262478), (58, 3821532), (66, 3358316), (68, 3259542), (78, 2841652), (87, 2547688), (88, 2518737), (102, 2173028), (104, 2131239), (116, 1910766), (131, 1691976), (132, 1679158), (136, 1629771), (143, 1549992), (156, 1420826), (174, 1273844), (187, 1185288), (204, 1086514), (221, 1002936), (232, 955383), (262, 845988), (264, 839579), (286, 774996), (312, 710413), (319, 694824), (348, 636922), (374, 592644), (377, 587928), (393, 563992), (408, 543257), (429, 516664), (442, 501468), (493, 449592), (524, 422994), (561, 395096), (572, 387498), (638, 347412), (663, 334312), (696, 318461), (748, 296322), (754, 293964), (786, 281996), (858, 258332), (884, 250734), (957, 231608), (986, 224796), (1048, 211497), (1122, 197548), (1131, 195976), (1144, 193749), (1276, 173706), (1326, 167156), (1441, 153816), (1479, 149864), (1496, 148161), (1508, 146982), (1572, 140998), (1703, 130152), (1716, 129166), (1768, 125367), (1914, 115804), (1972, 112398), (2227, 99528), (2244, 98774), (2262, 97988), (2431, 91176), (2552, 86853), (2652, 83578), (2882, 76908), (2958, 74932), (3016, 73491), (3144, 70499), (3406, 65076), (3432, 64583), (3799, 58344), (3828, 57902), (3944, 56199), (4147, 53448), (4323, 51272), (4454, 49764), (4488, 49387), (4524, 48994), (4862, 45588), (5109, 43384), (5304, 41789), (5423, 40872), (5764, 38454), (5916, 37466), (6409, 34584), (6681, 33176), (6812, 32538), (7293, 30392), (7598, 29172), (7656, 28951), (8294, 26724), (8646, 25636), (8908, 24882), (9048, 24497), (9724, 22794), (10218, 21692), (10846, 20436), (11397, 19448), (11528, 19227), (11832, 18733), (12441, 17816), (12818, 17292), (13362, 16588), (13624, 16269), (14586, 15196)]