10780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1$

素因数の和:34

約数の個数: 36

約数和(自身を含む): 28728

約数和(自身を除く): 17948

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780]

約数ペア:

[(1, 10780), (2, 5390), (4, 2695), (5, 2156), (7, 1540), (10, 1078), (11, 980), (14, 770), (20, 539), (22, 490), (28, 385), (35, 308), (44, 245), (49, 220), (55, 196), (70, 154), (77, 140), (98, 110)]