209795568

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{499}}^1$

素因数の和:990

約数の個数: 80

約数和(自身を含む): 572880000

約数和(自身を除く): 363084432

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 461, 499, 912, 922, 998, 1383, 1497, 1844, 1996, 2766, 2994, 3688, 3992, 5532, 5988, 7376, 7984, 8759, 9481, 11064, 11976, 17518, 18962, 22128, 23952, 26277, 28443, 35036, 37924, 52554, 56886, 70072, 75848, 105108, 113772, 140144, 151696, 210216, 227544, 230039, 420432, 455088, 460078, 690117, 920156, 1380234, 1840312, 2760468, 3680624, 4370741, 5520936, 8741482, 11041872, 13112223, 17482964, 26224446, 34965928, 52448892, 69931856, 104897784, 209795568]

約数ペア:

[(1, 209795568), (2, 104897784), (3, 69931856), (4, 52448892), (6, 34965928), (8, 26224446), (12, 17482964), (16, 13112223), (19, 11041872), (24, 8741482), (38, 5520936), (48, 4370741), (57, 3680624), (76, 2760468), (114, 1840312), (152, 1380234), (228, 920156), (304, 690117), (456, 460078), (461, 455088), (499, 420432), (912, 230039), (922, 227544), (998, 210216), (1383, 151696), (1497, 140144), (1844, 113772), (1996, 105108), (2766, 75848), (2994, 70072), (3688, 56886), (3992, 52554), (5532, 37924), (5988, 35036), (7376, 28443), (7984, 26277), (8759, 23952), (9481, 22128), (11064, 18962), (11976, 17518)]