2257780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{16127}}^1$

素因数の和:16143

約数の個数: 24

約数和(自身を含む): 5419008

約数和(自身を除く): 3161228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 16127, 32254, 64508, 80635, 112889, 161270, 225778, 322540, 451556, 564445, 1128890, 2257780]

約数ペア:

[(1, 2257780), (2, 1128890), (4, 564445), (5, 451556), (7, 322540), (10, 225778), (14, 161270), (20, 112889), (28, 80635), (35, 64508), (70, 32254), (140, 16127)]