122407780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{556399}}^1$

素因数の和:556419

約数の個数: 24

約数和(自身を含む): 280425600

約数和(自身を除く): 158017820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 556399, 1112798, 2225596, 2781995, 5563990, 6120389, 11127980, 12240778, 24481556, 30601945, 61203890, 122407780]

約数ペア:

[(1, 122407780), (2, 61203890), (4, 30601945), (5, 24481556), (10, 12240778), (11, 11127980), (20, 6120389), (22, 5563990), (44, 2781995), (55, 2225596), (110, 1112798), (220, 556399)]