1771420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{12653}}^1$

素因数の和:12669

約数の個数: 24

約数和(自身を含む): 4251744

約数和(自身を除く): 2480324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 12653, 25306, 50612, 63265, 88571, 126530, 177142, 253060, 354284, 442855, 885710, 1771420]

約数ペア:

[(1, 1771420), (2, 885710), (4, 442855), (5, 354284), (7, 253060), (10, 177142), (14, 126530), (20, 88571), (28, 63265), (35, 50612), (70, 25306), (140, 12653)]