278797512

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:395

約数の個数: 128

約数和(自身を含む): 818380800

約数和(自身を除く): 539583288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 73, 84, 127, 146, 168, 179, 219, 254, 292, 358, 381, 438, 508, 511, 537, 584, 716, 762, 876, 889, 1016, 1022, 1074, 1253, 1432, 1524, 1533, 1752, 1778, 2044, 2148, 2506, 2667, 3048, 3066, 3556, 3759, 4088, 4296, 5012, 5334, 6132, 7112, 7518, 9271, 10024, 10668, 12264, 13067, 15036, 18542, 21336, 22733, 26134, 27813, 30072, 37084, 39201, 45466, 52268, 55626, 64897, 68199, 74168, 78402, 90932, 91469, 104536, 111252, 129794, 136398, 156804, 159131, 181864, 182938, 194691, 222504, 259588, 272796, 274407, 313608, 318262, 365876, 389382, 477393, 519176, 545592, 548814, 636524, 731752, 778764, 954786, 1097628, 1273048, 1557528, 1659509, 1909572, 2195256, 3319018, 3819144, 4978527, 6638036, 9957054, 11616563, 13276072, 19914108, 23233126, 34849689, 39828216, 46466252, 69699378, 92932504, 139398756, 278797512]

約数ペア:

[(1, 278797512), (2, 139398756), (3, 92932504), (4, 69699378), (6, 46466252), (7, 39828216), (8, 34849689), (12, 23233126), (14, 19914108), (21, 13276072), (24, 11616563), (28, 9957054), (42, 6638036), (56, 4978527), (73, 3819144), (84, 3319018), (127, 2195256), (146, 1909572), (168, 1659509), (179, 1557528), (219, 1273048), (254, 1097628), (292, 954786), (358, 778764), (381, 731752), (438, 636524), (508, 548814), (511, 545592), (537, 519176), (584, 477393), (716, 389382), (762, 365876), (876, 318262), (889, 313608), (1016, 274407), (1022, 272796), (1074, 259588), (1253, 222504), (1432, 194691), (1524, 182938), (1533, 181864), (1752, 159131), (1778, 156804), (2044, 136398), (2148, 129794), (2506, 111252), (2667, 104536), (3048, 91469), (3066, 90932), (3556, 78402), (3759, 74168), (4088, 68199), (4296, 64897), (5012, 55626), (5334, 52268), (6132, 45466), (7112, 39201), (7518, 37084), (9271, 30072), (10024, 27813), (10668, 26134), (12264, 22733), (13067, 21336), (15036, 18542)]