130988090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{689411}}^1$

素因数の和:689437

約数の個数: 16

約数和(自身を含む): 248188320

約数和(自身を除く): 117200230

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 689411, 1378822, 3447055, 6894110, 13098809, 26197618, 65494045, 130988090]

約数ペア:

[(1, 130988090), (2, 65494045), (5, 26197618), (10, 13098809), (19, 6894110), (38, 3447055), (95, 1378822), (190, 689411)]