172730390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{352511}}^1$

素因数の和:352532

約数の個数: 24

約数和(自身を含む): 361677312

約数和(自身を除く): 188946922

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 352511, 705022, 1762555, 2467577, 3525110, 4935154, 12337885, 17273039, 24675770, 34546078, 86365195, 172730390]

約数ペア:

[(1, 172730390), (2, 86365195), (5, 34546078), (7, 24675770), (10, 17273039), (14, 12337885), (35, 4935154), (49, 3525110), (70, 2467577), (98, 1762555), (245, 705022), (490, 352511)]