3493220

素因数分解:

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

素因数の和:847

約数の個数: 24

約数和(自身を含む): 7371000

約数和(自身を除く): 3877780

約数列:

[1, 2, 4, 5, 10, 20, 389, 449, 778, 898, 1556, 1796, 1945, 2245, 3890, 4490, 7780, 8980, 174661, 349322, 698644, 873305, 1746610, 3493220]

約数ペア:

[(1, 3493220), (2, 1746610), (4, 873305), (5, 698644), (10, 349322), (20, 174661), (389, 8980), (449, 7780), (778, 4490), (898, 3890), (1556, 2245), (1796, 1945)]