390640316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{1319}}^1$

素因数の和:1514

約数の個数: 48

約数和(自身を含む): 766402560

約数和(自身を除く): 375762244

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 127, 212, 254, 508, 583, 1166, 1319, 1397, 2332, 2638, 2794, 5276, 5588, 6731, 13462, 14509, 26924, 29018, 58036, 69907, 74041, 139814, 148082, 167513, 279628, 296164, 335026, 670052, 768977, 1537954, 1842643, 3075908, 3685286, 7370572, 8878189, 17756378, 35512756, 97660079, 195320158, 390640316]

約数ペア:

[(1, 390640316), (2, 195320158), (4, 97660079), (11, 35512756), (22, 17756378), (44, 8878189), (53, 7370572), (106, 3685286), (127, 3075908), (212, 1842643), (254, 1537954), (508, 768977), (583, 670052), (1166, 335026), (1319, 296164), (1397, 279628), (2332, 167513), (2638, 148082), (2794, 139814), (5276, 74041), (5588, 69907), (6731, 58036), (13462, 29018), (14509, 26924)]