220448144

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{787}}^1$

素因数の和:904

約数の個数: 80

約数和(自身を含む): 508884096

約数和(自身を除く): 288435952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 61, 82, 112, 122, 164, 244, 287, 328, 427, 488, 574, 656, 787, 854, 976, 1148, 1574, 1708, 2296, 2501, 3148, 3416, 4592, 5002, 5509, 6296, 6832, 10004, 11018, 12592, 17507, 20008, 22036, 32267, 35014, 40016, 44072, 48007, 64534, 70028, 88144, 96014, 129068, 140056, 192028, 225869, 258136, 280112, 336049, 384056, 451738, 516272, 672098, 768112, 903476, 1344196, 1806952, 1968287, 2688392, 3613904, 3936574, 5376784, 7873148, 13778009, 15746296, 27556018, 31492592, 55112036, 110224072, 220448144]

約数ペア:

[(1, 220448144), (2, 110224072), (4, 55112036), (7, 31492592), (8, 27556018), (14, 15746296), (16, 13778009), (28, 7873148), (41, 5376784), (56, 3936574), (61, 3613904), (82, 2688392), (112, 1968287), (122, 1806952), (164, 1344196), (244, 903476), (287, 768112), (328, 672098), (427, 516272), (488, 451738), (574, 384056), (656, 336049), (787, 280112), (854, 258136), (976, 225869), (1148, 192028), (1574, 140056), (1708, 129068), (2296, 96014), (2501, 88144), (3148, 70028), (3416, 64534), (4592, 48007), (5002, 44072), (5509, 40016), (6296, 35014), (6832, 32267), (10004, 22036), (11018, 20008), (12592, 17507)]