2008442920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{353}}^1$

素因数の和:635

約数の個数: 128

約数和(自身を含む): 5043565440

約数和(自身を除く): 3035122520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 193, 220, 268, 335, 353, 386, 440, 536, 670, 706, 737, 772, 965, 1340, 1412, 1474, 1544, 1765, 1930, 2123, 2680, 2824, 2948, 3530, 3685, 3860, 3883, 4246, 5896, 7060, 7370, 7720, 7766, 8492, 10615, 12931, 14120, 14740, 15532, 16984, 19415, 21230, 23651, 25862, 29480, 31064, 38830, 42460, 47302, 51724, 64655, 68129, 77660, 84920, 94604, 103448, 118255, 129310, 136258, 142241, 155320, 189208, 236510, 258620, 260161, 272516, 284482, 340645, 473020, 517240, 520322, 545032, 568964, 681290, 711205, 749419, 946040, 1040644, 1137928, 1300805, 1362580, 1422410, 1498838, 2081288, 2601610, 2725160, 2844820, 2997676, 3747095, 4564643, 5203220, 5689640, 5995352, 7494190, 9129286, 10406440, 14988380, 18258572, 22823215, 29976760, 36517144, 45646430, 50211073, 91292860, 100422146, 182585720, 200844292, 251055365, 401688584, 502110730, 1004221460, 2008442920]

約数ペア:

[(1, 2008442920), (2, 1004221460), (4, 502110730), (5, 401688584), (8, 251055365), (10, 200844292), (11, 182585720), (20, 100422146), (22, 91292860), (40, 50211073), (44, 45646430), (55, 36517144), (67, 29976760), (88, 22823215), (110, 18258572), (134, 14988380), (193, 10406440), (220, 9129286), (268, 7494190), (335, 5995352), (353, 5689640), (386, 5203220), (440, 4564643), (536, 3747095), (670, 2997676), (706, 2844820), (737, 2725160), (772, 2601610), (965, 2081288), (1340, 1498838), (1412, 1422410), (1474, 1362580), (1544, 1300805), (1765, 1137928), (1930, 1040644), (2123, 946040), (2680, 749419), (2824, 711205), (2948, 681290), (3530, 568964), (3685, 545032), (3860, 520322), (3883, 517240), (4246, 473020), (5896, 340645), (7060, 284482), (7370, 272516), (7720, 260161), (7766, 258620), (8492, 236510), (10615, 189208), (12931, 155320), (14120, 142241), (14740, 136258), (15532, 129310), (16984, 118255), (19415, 103448), (21230, 94604), (23651, 84920), (25862, 77660), (29480, 68129), (31064, 64655), (38830, 51724), (42460, 47302)]