257644332

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:345

約数の個数: 144

約数和(自身を含む): 756712320

約数和(自身を除く): 499067988

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 114, 121, 132, 171, 198, 209, 228, 242, 283, 342, 363, 396, 418, 484, 566, 627, 684, 726, 836, 849, 1089, 1132, 1254, 1331, 1452, 1698, 1881, 2178, 2299, 2508, 2547, 2662, 3113, 3396, 3762, 3993, 4356, 4598, 5094, 5324, 5377, 6226, 6897, 7524, 7986, 9196, 9339, 10188, 10754, 11979, 12452, 13794, 15972, 16131, 18678, 20691, 21508, 23958, 25289, 27588, 28017, 32262, 34243, 37356, 41382, 47916, 48393, 50578, 56034, 59147, 64524, 68486, 75867, 82764, 96786, 101156, 102729, 112068, 118294, 136972, 151734, 177441, 193572, 205458, 227601, 236588, 303468, 308187, 354882, 376673, 410916, 455202, 532323, 616374, 650617, 709764, 753346, 910404, 1064646, 1130019, 1232748, 1301234, 1506692, 1951851, 2129292, 2260038, 2602468, 3390057, 3903702, 4520076, 5855553, 6780114, 7156787, 7807404, 11711106, 13560228, 14313574, 21470361, 23422212, 28627148, 42940722, 64411083, 85881444, 128822166, 257644332]

約数ペア:

[(1, 257644332), (2, 128822166), (3, 85881444), (4, 64411083), (6, 42940722), (9, 28627148), (11, 23422212), (12, 21470361), (18, 14313574), (19, 13560228), (22, 11711106), (33, 7807404), (36, 7156787), (38, 6780114), (44, 5855553), (57, 4520076), (66, 3903702), (76, 3390057), (99, 2602468), (114, 2260038), (121, 2129292), (132, 1951851), (171, 1506692), (198, 1301234), (209, 1232748), (228, 1130019), (242, 1064646), (283, 910404), (342, 753346), (363, 709764), (396, 650617), (418, 616374), (484, 532323), (566, 455202), (627, 410916), (684, 376673), (726, 354882), (836, 308187), (849, 303468), (1089, 236588), (1132, 227601), (1254, 205458), (1331, 193572), (1452, 177441), (1698, 151734), (1881, 136972), (2178, 118294), (2299, 112068), (2508, 102729), (2547, 101156), (2662, 96786), (3113, 82764), (3396, 75867), (3762, 68486), (3993, 64524), (4356, 59147), (4598, 56034), (5094, 50578), (5324, 48393), (5377, 47916), (6226, 41382), (6897, 37356), (7524, 34243), (7986, 32262), (9196, 28017), (9339, 27588), (10188, 25289), (10754, 23958), (11979, 21508), (12452, 20691), (13794, 18678), (15972, 16131)]