77915380

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 167207040

約数和(自身を除く): 89291660

約数列:

[1, 2, 4, 5, 10, 20, 103, 109, 206, 218, 347, 412, 436, 515, 545, 694, 1030, 1090, 1388, 1735, 2060, 2180, 3470, 6940, 11227, 22454, 35741, 37823, 44908, 56135, 71482, 75646, 112270, 142964, 151292, 178705, 189115, 224540, 357410, 378230, 714820, 756460, 3895769, 7791538, 15583076, 19478845, 38957690, 77915380]

約数ペア:

[(1, 77915380), (2, 38957690), (4, 19478845), (5, 15583076), (10, 7791538), (20, 3895769), (103, 756460), (109, 714820), (206, 378230), (218, 357410), (347, 224540), (412, 189115), (436, 178705), (515, 151292), (545, 142964), (694, 112270), (1030, 75646), (1090, 71482), (1388, 56135), (1735, 44908), (2060, 37823), (2180, 35741), (3470, 22454), (6940, 11227)]