280672112

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1$

素因数の和:526

約数の個数: 80

約数和(自身を含む): 638268672

約数和(自身を除く): 357596560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 113, 134, 226, 268, 331, 452, 469, 536, 662, 791, 904, 938, 1072, 1324, 1582, 1808, 1876, 2317, 2648, 3164, 3752, 4634, 5296, 6328, 7504, 7571, 9268, 12656, 15142, 18536, 22177, 30284, 37072, 37403, 44354, 52997, 60568, 74806, 88708, 105994, 121136, 149612, 155239, 177416, 211988, 261821, 299224, 310478, 354832, 423976, 523642, 598448, 620956, 847952, 1047284, 1241912, 2094568, 2483824, 2506001, 4189136, 5012002, 10024004, 17542007, 20048008, 35084014, 40096016, 70168028, 140336056, 280672112]

約数ペア:

[(1, 280672112), (2, 140336056), (4, 70168028), (7, 40096016), (8, 35084014), (14, 20048008), (16, 17542007), (28, 10024004), (56, 5012002), (67, 4189136), (112, 2506001), (113, 2483824), (134, 2094568), (226, 1241912), (268, 1047284), (331, 847952), (452, 620956), (469, 598448), (536, 523642), (662, 423976), (791, 354832), (904, 310478), (938, 299224), (1072, 261821), (1324, 211988), (1582, 177416), (1808, 155239), (1876, 149612), (2317, 121136), (2648, 105994), (3164, 88708), (3752, 74806), (4634, 60568), (5296, 52997), (6328, 44354), (7504, 37403), (7571, 37072), (9268, 30284), (12656, 22177), (15142, 18536)]