19970230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{285289}}^1$

素因数の和:285303

約数の個数: 16

約数和(自身を含む): 41081760

約数和(自身を除く): 21111530

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 285289, 570578, 1426445, 1997023, 2852890, 3994046, 9985115, 19970230]

約数ペア:

[(1, 19970230), (2, 9985115), (5, 3994046), (7, 2852890), (10, 1997023), (14, 1426445), (35, 570578), (70, 285289)]