268559984

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:212

約数の個数: 180

約数和(自身を含む): 705033000

約数和(自身を除く): 436473016

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 49, 56, 76, 77, 88, 98, 112, 121, 133, 149, 152, 154, 176, 196, 209, 242, 266, 298, 304, 308, 392, 418, 484, 532, 539, 596, 616, 784, 836, 847, 931, 968, 1043, 1064, 1078, 1192, 1232, 1463, 1639, 1672, 1694, 1862, 1936, 2086, 2128, 2156, 2299, 2384, 2831, 2926, 3278, 3344, 3388, 3724, 4172, 4312, 4598, 5662, 5852, 5929, 6556, 6776, 7301, 7448, 8344, 8624, 9196, 10241, 11324, 11473, 11704, 11858, 13112, 13552, 14602, 14896, 16093, 16688, 18029, 18392, 19817, 20482, 22648, 22946, 23408, 23716, 26224, 29204, 31141, 32186, 36058, 36784, 39634, 40964, 45296, 45892, 47432, 58408, 62282, 64372, 72116, 79268, 80311, 81928, 91784, 94864, 112651, 116816, 124564, 126203, 128744, 138719, 144232, 158536, 160622, 163856, 183568, 217987, 225302, 249128, 252406, 257488, 277438, 288464, 317072, 321244, 342551, 435974, 450604, 498256, 504812, 554876, 642488, 685102, 871948, 883421, 901208, 1009624, 1109752, 1284976, 1370204, 1525909, 1743896, 1766842, 1802416, 2019248, 2219504, 2397857, 2740408, 3051818, 3487792, 3533684, 4795714, 5480816, 6103636, 7067368, 9591428, 12207272, 14134736, 16784999, 19182856, 24414544, 33569998, 38365712, 67139996, 134279992, 268559984]

約数ペア:

[(1, 268559984), (2, 134279992), (4, 67139996), (7, 38365712), (8, 33569998), (11, 24414544), (14, 19182856), (16, 16784999), (19, 14134736), (22, 12207272), (28, 9591428), (38, 7067368), (44, 6103636), (49, 5480816), (56, 4795714), (76, 3533684), (77, 3487792), (88, 3051818), (98, 2740408), (112, 2397857), (121, 2219504), (133, 2019248), (149, 1802416), (152, 1766842), (154, 1743896), (176, 1525909), (196, 1370204), (209, 1284976), (242, 1109752), (266, 1009624), (298, 901208), (304, 883421), (308, 871948), (392, 685102), (418, 642488), (484, 554876), (532, 504812), (539, 498256), (596, 450604), (616, 435974), (784, 342551), (836, 321244), (847, 317072), (931, 288464), (968, 277438), (1043, 257488), (1064, 252406), (1078, 249128), (1192, 225302), (1232, 217987), (1463, 183568), (1639, 163856), (1672, 160622), (1694, 158536), (1862, 144232), (1936, 138719), (2086, 128744), (2128, 126203), (2156, 124564), (2299, 116816), (2384, 112651), (2831, 94864), (2926, 91784), (3278, 81928), (3344, 80311), (3388, 79268), (3724, 72116), (4172, 64372), (4312, 62282), (4598, 58408), (5662, 47432), (5852, 45892), (5929, 45296), (6556, 40964), (6776, 39634), (7301, 36784), (7448, 36058), (8344, 32186), (8624, 31141), (9196, 29204), (10241, 26224), (11324, 23716), (11473, 23408), (11704, 22946), (11858, 22648), (13112, 20482), (13552, 19817), (14602, 18392), (14896, 18029), (16093, 16688)]