1219541540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{8711011}}^1$

素因数の和:8711027

約数の個数: 24

約数和(自身を含む): 2926900032

約数和(自身を除く): 1707358492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 8711011, 17422022, 34844044, 43555055, 60977077, 87110110, 121954154, 174220220, 243908308, 304885385, 609770770, 1219541540]

約数ペア:

[(1, 1219541540), (2, 609770770), (4, 304885385), (5, 243908308), (7, 174220220), (10, 121954154), (14, 87110110), (20, 60977077), (28, 43555055), (35, 34844044), (70, 17422022), (140, 8711011)]