20148436175

素因数分解:

$5^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{233}}^1\times {\mathrm{967}}^1$

素因数の和:1297

約数の個数: 72

約数和(自身を含む): 29618256096

約数和(自身を除く): 9469819921

約数列:

[1, 5, 7, 25, 35, 49, 73, 175, 233, 245, 365, 511, 967, 1165, 1225, 1631, 1825, 2555, 3577, 4835, 5825, 6769, 8155, 11417, 12775, 17009, 17885, 24175, 33845, 40775, 47383, 57085, 70591, 85045, 89425, 119063, 169225, 225311, 236915, 285425, 352955, 425225, 494137, 595315, 833441, 1126555, 1184575, 1577177, 1764775, 2470685, 2976575, 3458959, 4167205, 5632775, 7885885, 11040239, 12353425, 16447703, 17294795, 20836025, 39429425, 55201195, 82238515, 86473975, 115133921, 276005975, 411192575, 575669605, 805937447, 2878348025, 4029687235, 20148436175]

約数ペア:

[(1, 20148436175), (5, 4029687235), (7, 2878348025), (25, 805937447), (35, 575669605), (49, 411192575), (73, 276005975), (175, 115133921), (233, 86473975), (245, 82238515), (365, 55201195), (511, 39429425), (967, 20836025), (1165, 17294795), (1225, 16447703), (1631, 12353425), (1825, 11040239), (2555, 7885885), (3577, 5632775), (4835, 4167205), (5825, 3458959), (6769, 2976575), (8155, 2470685), (11417, 1764775), (12775, 1577177), (17009, 1184575), (17885, 1126555), (24175, 833441), (33845, 595315), (40775, 494137), (47383, 425225), (57085, 352955), (70591, 285425), (85045, 236915), (89425, 225311), (119063, 169225)]