2143780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2897}}^1$

素因数の和:2943

約数の個数: 24

約数和(自身を含む): 4625208

約数和(自身を除く): 2481428

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 2897, 5794, 11588, 14485, 28970, 57940, 107189, 214378, 428756, 535945, 1071890, 2143780]

約数ペア:

[(1, 2143780), (2, 1071890), (4, 535945), (5, 428756), (10, 214378), (20, 107189), (37, 57940), (74, 28970), (148, 14485), (185, 11588), (370, 5794), (740, 2897)]