20161029175

素因数分解:

$5^2\times 7^2\times {\mathrm{61}}^2\times {\mathrm{4423}}^1$

素因数の和:4569

約数の個数: 54

約数和(自身を含む): 29572497864

約数和(自身を除く): 9411468689

約数列:

[1, 5, 7, 25, 35, 49, 61, 175, 245, 305, 427, 1225, 1525, 2135, 2989, 3721, 4423, 10675, 14945, 18605, 22115, 26047, 30961, 74725, 93025, 110575, 130235, 154805, 182329, 216727, 269803, 651175, 774025, 911645, 1083635, 1349015, 1888621, 4558225, 5418175, 6745075, 9443105, 13220347, 16457983, 47215525, 66101735, 82289915, 115205881, 330508675, 411449575, 576029405, 806441167, 2880147025, 4032205835, 20161029175]

約数ペア:

[(1, 20161029175), (5, 4032205835), (7, 2880147025), (25, 806441167), (35, 576029405), (49, 411449575), (61, 330508675), (175, 115205881), (245, 82289915), (305, 66101735), (427, 47215525), (1225, 16457983), (1525, 13220347), (2135, 9443105), (2989, 6745075), (3721, 5418175), (4423, 4558225), (10675, 1888621), (14945, 1349015), (18605, 1083635), (22115, 911645), (26047, 774025), (30961, 651175), (74725, 269803), (93025, 216727), (110575, 182329), (130235, 154805)]