48991900

素因数分解:

$2^2\times 5^2\times {\mathrm{691}}^1\times {\mathrm{709}}^1$

素因数の和:1414

約数の個数: 36

約数和(自身を含む): 106616440

約数和(自身を除く): 57624540

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 691, 709, 1382, 1418, 2764, 2836, 3455, 3545, 6910, 7090, 13820, 14180, 17275, 17725, 34550, 35450, 69100, 70900, 489919, 979838, 1959676, 2449595, 4899190, 9798380, 12247975, 24495950, 48991900]

約数ペア:

[(1, 48991900), (2, 24495950), (4, 12247975), (5, 9798380), (10, 4899190), (20, 2449595), (25, 1959676), (50, 979838), (100, 489919), (691, 70900), (709, 69100), (1382, 35450), (1418, 34550), (2764, 17725), (2836, 17275), (3455, 14180), (3545, 13820), (6910, 7090)]