381521056

素因数分解:

$2^5\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:267

約数の個数: 144

約数和(自身を含む): 930787200

約数和(自身を除く): 549266144

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 71, 92, 98, 112, 142, 149, 161, 184, 196, 224, 284, 298, 322, 368, 392, 497, 568, 596, 644, 736, 784, 994, 1043, 1127, 1136, 1192, 1288, 1568, 1633, 1988, 2086, 2254, 2272, 2384, 2576, 3266, 3427, 3479, 3976, 4172, 4508, 4768, 5152, 6532, 6854, 6958, 7301, 7952, 8344, 9016, 10579, 11431, 13064, 13708, 13916, 14602, 15904, 16688, 18032, 21158, 22862, 23989, 26128, 27416, 27832, 29204, 33376, 36064, 42316, 45724, 47978, 52256, 54832, 55664, 58408, 74053, 80017, 84632, 91448, 95956, 109664, 111328, 116816, 148106, 160034, 167923, 169264, 182896, 191912, 233632, 243317, 296212, 320068, 335846, 338528, 365792, 383824, 486634, 518371, 592424, 640136, 671692, 767648, 973268, 1036742, 1184848, 1280272, 1343384, 1703219, 1946536, 2073484, 2369696, 2560544, 2686768, 3406438, 3893072, 4146968, 5373536, 6812876, 7786144, 8293936, 11922533, 13625752, 16587872, 23845066, 27251504, 47690132, 54503008, 95380264, 190760528, 381521056]

約数ペア:

[(1, 381521056), (2, 190760528), (4, 95380264), (7, 54503008), (8, 47690132), (14, 27251504), (16, 23845066), (23, 16587872), (28, 13625752), (32, 11922533), (46, 8293936), (49, 7786144), (56, 6812876), (71, 5373536), (92, 4146968), (98, 3893072), (112, 3406438), (142, 2686768), (149, 2560544), (161, 2369696), (184, 2073484), (196, 1946536), (224, 1703219), (284, 1343384), (298, 1280272), (322, 1184848), (368, 1036742), (392, 973268), (497, 767648), (568, 671692), (596, 640136), (644, 592424), (736, 518371), (784, 486634), (994, 383824), (1043, 365792), (1127, 338528), (1136, 335846), (1192, 320068), (1288, 296212), (1568, 243317), (1633, 233632), (1988, 191912), (2086, 182896), (2254, 169264), (2272, 167923), (2384, 160034), (2576, 148106), (3266, 116816), (3427, 111328), (3479, 109664), (3976, 95956), (4172, 91448), (4508, 84632), (4768, 80017), (5152, 74053), (6532, 58408), (6854, 55664), (6958, 54832), (7301, 52256), (7952, 47978), (8344, 45724), (9016, 42316), (10579, 36064), (11431, 33376), (13064, 29204), (13708, 27832), (13916, 27416), (14602, 26128), (15904, 23989), (16688, 22862), (18032, 21158)]