512540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{523}}^1$

素因数の和:546

約数の個数: 36

約数和(自身を含む): 1254456

約数和(自身を除く): 741916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 523, 980, 1046, 2092, 2615, 3661, 5230, 7322, 10460, 14644, 18305, 25627, 36610, 51254, 73220, 102508, 128135, 256270, 512540]

約数ペア:

[(1, 512540), (2, 256270), (4, 128135), (5, 102508), (7, 73220), (10, 51254), (14, 36610), (20, 25627), (28, 18305), (35, 14644), (49, 10460), (70, 7322), (98, 5230), (140, 3661), (196, 2615), (245, 2092), (490, 1046), (523, 980)]