689410248

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:471

約数の個数: 128

約数和(自身を含む): 1879718400

約数和(自身を除く): 1190308152

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 73, 79, 102, 136, 146, 158, 204, 219, 237, 292, 293, 316, 408, 438, 474, 584, 586, 632, 876, 879, 948, 1172, 1241, 1343, 1752, 1758, 1896, 2344, 2482, 2686, 3516, 3723, 4029, 4964, 4981, 5372, 5767, 7032, 7446, 8058, 9928, 9962, 10744, 11534, 14892, 14943, 16116, 17301, 19924, 21389, 23068, 23147, 29784, 29886, 32232, 34602, 39848, 42778, 46136, 46294, 59772, 64167, 69204, 69441, 85556, 92588, 98039, 119544, 128334, 138408, 138882, 171112, 185176, 196078, 256668, 277764, 294117, 363613, 392156, 393499, 513336, 555528, 588234, 727226, 784312, 786998, 1090839, 1176468, 1180497, 1454452, 1573996, 1689731, 2181678, 2352936, 2360994, 2908904, 3147992, 3379462, 4363356, 4721988, 5069193, 6758924, 8726712, 9443976, 10138386, 13517848, 20276772, 28725427, 40553544, 57450854, 86176281, 114901708, 172352562, 229803416, 344705124, 689410248]

約数ペア:

[(1, 689410248), (2, 344705124), (3, 229803416), (4, 172352562), (6, 114901708), (8, 86176281), (12, 57450854), (17, 40553544), (24, 28725427), (34, 20276772), (51, 13517848), (68, 10138386), (73, 9443976), (79, 8726712), (102, 6758924), (136, 5069193), (146, 4721988), (158, 4363356), (204, 3379462), (219, 3147992), (237, 2908904), (292, 2360994), (293, 2352936), (316, 2181678), (408, 1689731), (438, 1573996), (474, 1454452), (584, 1180497), (586, 1176468), (632, 1090839), (876, 786998), (879, 784312), (948, 727226), (1172, 588234), (1241, 555528), (1343, 513336), (1752, 393499), (1758, 392156), (1896, 363613), (2344, 294117), (2482, 277764), (2686, 256668), (3516, 196078), (3723, 185176), (4029, 171112), (4964, 138882), (4981, 138408), (5372, 128334), (5767, 119544), (7032, 98039), (7446, 92588), (8058, 85556), (9928, 69441), (9962, 69204), (10744, 64167), (11534, 59772), (14892, 46294), (14943, 46136), (16116, 42778), (17301, 39848), (19924, 34602), (21389, 32232), (23068, 29886), (23147, 29784)]