123413780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{881527}}^1$

素因数の和:881543

約数の個数: 24

約数和(自身を含む): 296193408

約数和(自身を除く): 172779628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 881527, 1763054, 3526108, 4407635, 6170689, 8815270, 12341378, 17630540, 24682756, 30853445, 61706890, 123413780]

約数ペア:

[(1, 123413780), (2, 61706890), (4, 30853445), (5, 24682756), (7, 17630540), (10, 12341378), (14, 8815270), (20, 6170689), (28, 4407635), (35, 3526108), (70, 1763054), (140, 881527)]