540820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3863}}^1$

素因数の和:3879

約数の個数: 24

約数和(自身を含む): 1298304

約数和(自身を除く): 757484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3863, 7726, 15452, 19315, 27041, 38630, 54082, 77260, 108164, 135205, 270410, 540820]

約数ペア:

[(1, 540820), (2, 270410), (4, 135205), (5, 108164), (7, 77260), (10, 54082), (14, 38630), (20, 27041), (28, 19315), (35, 15452), (70, 7726), (140, 3863)]