137400269780

素因数分解:

$2^2\times 5^1\times {\mathrm{6870013489}}^1$

素因数の和:6870013498

約数の個数: 12

約数和(自身を含む): 288540566580

約数和(自身を除く): 151140296800

約数列:

[1, 2, 4, 5, 10, 20, 6870013489, 13740026978, 27480053956, 34350067445, 68700134890, 137400269780]

約数ペア:

[(1, 137400269780), (2, 68700134890), (4, 34350067445), (5, 27480053956), (10, 13740026978), (20, 6870013489)]