78853780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{563}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 170553600

約数和(自身を除く): 91699820

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 149, 188, 235, 298, 470, 563, 596, 745, 940, 1126, 1490, 2252, 2815, 2980, 5630, 7003, 11260, 14006, 26461, 28012, 35015, 52922, 70030, 83887, 105844, 132305, 140060, 167774, 264610, 335548, 419435, 529220, 838870, 1677740, 3942689, 7885378, 15770756, 19713445, 39426890, 78853780]

約数ペア:

[(1, 78853780), (2, 39426890), (4, 19713445), (5, 15770756), (10, 7885378), (20, 3942689), (47, 1677740), (94, 838870), (149, 529220), (188, 419435), (235, 335548), (298, 264610), (470, 167774), (563, 140060), (596, 132305), (745, 105844), (940, 83887), (1126, 70030), (1490, 52922), (2252, 35015), (2815, 28012), (2980, 26461), (5630, 14006), (7003, 11260)]