209568380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1496917}}^1$

素因数の和:1496933

約数の個数: 24

約数和(自身を含む): 502964448

約数和(自身を除く): 293396068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1496917, 2993834, 5987668, 7484585, 10478419, 14969170, 20956838, 29938340, 41913676, 52392095, 104784190, 209568380]

約数ペア:

[(1, 209568380), (2, 104784190), (4, 52392095), (5, 41913676), (7, 29938340), (10, 20956838), (14, 14969170), (20, 10478419), (28, 7484585), (35, 5987668), (70, 2993834), (140, 1496917)]