203140420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1451003}}^1$

素因数の和:1451019

約数の個数: 24

約数和(自身を含む): 487537344

約数和(自身を除く): 284396924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1451003, 2902006, 5804012, 7255015, 10157021, 14510030, 20314042, 29020060, 40628084, 50785105, 101570210, 203140420]

約数ペア:

[(1, 203140420), (2, 101570210), (4, 50785105), (5, 40628084), (7, 29020060), (10, 20314042), (14, 14510030), (20, 10157021), (28, 7255015), (35, 5804012), (70, 2902006), (140, 1451003)]