51786990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5279}}^1$

素因数の和:5401

約数の個数: 48

約数和(自身を含む): 135907200

約数和(自身を除く): 84120210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 109, 218, 327, 545, 654, 981, 1090, 1635, 1962, 3270, 4905, 5279, 9810, 10558, 15837, 26395, 31674, 47511, 52790, 79185, 95022, 158370, 237555, 475110, 575411, 1150822, 1726233, 2877055, 3452466, 5178699, 5754110, 8631165, 10357398, 17262330, 25893495, 51786990]

約数ペア:

[(1, 51786990), (2, 25893495), (3, 17262330), (5, 10357398), (6, 8631165), (9, 5754110), (10, 5178699), (15, 3452466), (18, 2877055), (30, 1726233), (45, 1150822), (90, 575411), (109, 475110), (218, 237555), (327, 158370), (545, 95022), (654, 79185), (981, 52790), (1090, 47511), (1635, 31674), (1962, 26395), (3270, 15837), (4905, 10558), (5279, 9810)]