126379600

素因数分解:

$2^4\times 5^2\times {\mathrm{315949}}^1$

素因数の和:315967

約数の個数: 30

約数和(自身を含む): 303627950

約数和(自身を除く): 177248350

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 315949, 631898, 1263796, 1579745, 2527592, 3159490, 5055184, 6318980, 7898725, 12637960, 15797450, 25275920, 31594900, 63189800, 126379600]

約数ペア:

[(1, 126379600), (2, 63189800), (4, 31594900), (5, 25275920), (8, 15797450), (10, 12637960), (16, 7898725), (20, 6318980), (25, 5055184), (40, 3159490), (50, 2527592), (80, 1579745), (100, 1263796), (200, 631898), (400, 315949)]