242782180

素因数分解:

$2^2\times 5^1\times {\mathrm{12139109}}^1$

素因数の和:12139118

約数の個数: 12

約数和(自身を含む): 509842620

約数和(自身を除く): 267060440

約数列:

[1, 2, 4, 5, 10, 20, 12139109, 24278218, 48556436, 60695545, 121391090, 242782180]

約数ペア:

[(1, 242782180), (2, 121391090), (4, 60695545), (5, 48556436), (10, 24278218), (20, 12139109)]