237020020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{85259}}^1$

素因数の和:85407

約数の個数: 24

約数和(自身を含む): 501328800

約数和(自身を除く): 264308780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 85259, 170518, 341036, 426295, 852590, 1705180, 11851001, 23702002, 47404004, 59255005, 118510010, 237020020]

約数ペア:

[(1, 237020020), (2, 118510010), (4, 59255005), (5, 47404004), (10, 23702002), (20, 11851001), (139, 1705180), (278, 852590), (556, 426295), (695, 341036), (1390, 170518), (2780, 85259)]