283780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2027}}^1$

素因数の和:2043

約数の個数: 24

約数和(自身を含む): 681408

約数和(自身を除く): 397628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2027, 4054, 8108, 10135, 14189, 20270, 28378, 40540, 56756, 70945, 141890, 283780]

約数ペア:

[(1, 283780), (2, 141890), (4, 70945), (5, 56756), (7, 40540), (10, 28378), (14, 20270), (20, 14189), (28, 10135), (35, 8108), (70, 4054), (140, 2027)]