163837940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1170271}}^1$

素因数の和:1170287

約数の個数: 24

約数和(自身を含む): 393211392

約数和(自身を除く): 229373452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1170271, 2340542, 4681084, 5851355, 8191897, 11702710, 16383794, 23405420, 32767588, 40959485, 81918970, 163837940]

約数ペア:

[(1, 163837940), (2, 81918970), (4, 40959485), (5, 32767588), (7, 23405420), (10, 16383794), (14, 11702710), (20, 8191897), (28, 5851355), (35, 4681084), (70, 2340542), (140, 1170271)]