163000780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{74771}}^1$

素因数の和:74889

約数の個数: 24

約数和(自身を含む): 345446640

約数和(自身を除く): 182445860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 74771, 149542, 299084, 373855, 747710, 1495420, 8150039, 16300078, 32600156, 40750195, 81500390, 163000780]

約数ペア:

[(1, 163000780), (2, 81500390), (4, 40750195), (5, 32600156), (10, 16300078), (20, 8150039), (109, 1495420), (218, 747710), (436, 373855), (545, 299084), (1090, 149542), (2180, 74771)]