204320144

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{449}}^1$

素因数の和:720

約数の個数: 80

約数和(自身を含む): 482112000

約数和(自身を除く): 277791856

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 239, 272, 449, 476, 478, 898, 952, 956, 1673, 1796, 1904, 1912, 3143, 3346, 3592, 3824, 4063, 6286, 6692, 7184, 7633, 8126, 12572, 13384, 15266, 16252, 25144, 26768, 28441, 30532, 32504, 50288, 53431, 56882, 61064, 65008, 106862, 107311, 113764, 122128, 213724, 214622, 227528, 427448, 429244, 455056, 751177, 854896, 858488, 1502354, 1716976, 1824287, 3004708, 3648574, 6009416, 7297148, 12018832, 12770009, 14594296, 25540018, 29188592, 51080036, 102160072, 204320144]

約数ペア:

[(1, 204320144), (2, 102160072), (4, 51080036), (7, 29188592), (8, 25540018), (14, 14594296), (16, 12770009), (17, 12018832), (28, 7297148), (34, 6009416), (56, 3648574), (68, 3004708), (112, 1824287), (119, 1716976), (136, 1502354), (238, 858488), (239, 854896), (272, 751177), (449, 455056), (476, 429244), (478, 427448), (898, 227528), (952, 214622), (956, 213724), (1673, 122128), (1796, 113764), (1904, 107311), (1912, 106862), (3143, 65008), (3346, 61064), (3592, 56882), (3824, 53431), (4063, 50288), (6286, 32504), (6692, 30532), (7184, 28441), (7633, 26768), (8126, 25144), (12572, 16252), (13384, 15266)]