168541220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{118691}}^1$

素因数の和:118771

約数の個数: 24

約数和(自身を含む): 358924608

約数和(自身を除く): 190383388

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 118691, 237382, 474764, 593455, 1186910, 2373820, 8427061, 16854122, 33708244, 42135305, 84270610, 168541220]

約数ペア:

[(1, 168541220), (2, 84270610), (4, 42135305), (5, 33708244), (10, 16854122), (20, 8427061), (71, 2373820), (142, 1186910), (284, 593455), (355, 474764), (710, 237382), (1420, 118691)]