140774540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{99137}}^1$

素因数の和:99217

約数の個数: 24

約数和(自身を含む): 299793312

約数和(自身を除く): 159018772

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 99137, 198274, 396548, 495685, 991370, 1982740, 7038727, 14077454, 28154908, 35193635, 70387270, 140774540]

約数ペア:

[(1, 140774540), (2, 70387270), (4, 35193635), (5, 28154908), (10, 14077454), (20, 7038727), (71, 1982740), (142, 991370), (284, 495685), (355, 396548), (710, 198274), (1420, 99137)]