168694780

素因数分解:

$2^2\times 5^1\times {\mathrm{2137}}^1\times {\mathrm{3947}}^1$

素因数の和:6093

約数の個数: 24

約数和(自身を含む): 354514608

約数和(自身を除く): 185819828

約数列:

[1, 2, 4, 5, 10, 20, 2137, 3947, 4274, 7894, 8548, 10685, 15788, 19735, 21370, 39470, 42740, 78940, 8434739, 16869478, 33738956, 42173695, 84347390, 168694780]

約数ペア:

[(1, 168694780), (2, 84347390), (4, 42173695), (5, 33738956), (10, 16869478), (20, 8434739), (2137, 78940), (3947, 42740), (4274, 39470), (7894, 21370), (8548, 19735), (10685, 15788)]