128210924

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 241920000

約数和(自身を除く): 113709076

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 149, 188, 199, 298, 398, 596, 796, 1081, 2162, 3427, 4324, 4577, 6854, 7003, 9154, 9353, 13708, 14006, 18308, 18706, 28012, 29651, 37412, 59302, 118604, 161069, 215119, 322138, 430238, 644276, 681973, 860476, 1363946, 1393597, 2727892, 2787194, 5574388, 32052731, 64105462, 128210924]

約数ペア:

[(1, 128210924), (2, 64105462), (4, 32052731), (23, 5574388), (46, 2787194), (47, 2727892), (92, 1393597), (94, 1363946), (149, 860476), (188, 681973), (199, 644276), (298, 430238), (398, 322138), (596, 215119), (796, 161069), (1081, 118604), (2162, 59302), (3427, 37412), (4324, 29651), (4577, 28012), (6854, 18706), (7003, 18308), (9154, 14006), (9353, 13708)]