6986440

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{449}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 15795000

約数和(自身を除く): 8808560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 449, 778, 898, 1556, 1796, 1945, 2245, 3112, 3592, 3890, 4490, 7780, 8980, 15560, 17960, 174661, 349322, 698644, 873305, 1397288, 1746610, 3493220, 6986440]

約数ペア:

[(1, 6986440), (2, 3493220), (4, 1746610), (5, 1397288), (8, 873305), (10, 698644), (20, 349322), (40, 174661), (389, 17960), (449, 15560), (778, 8980), (898, 7780), (1556, 4490), (1796, 3890), (1945, 3592), (2245, 3112)]