197191100

素因数分解:

$2^2\times 5^2\times {\mathrm{1971911}}^1$

素因数の和:1971925

約数の個数: 18

約数和(自身を含む): 427904904

約数和(自身を除く): 230713804

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1971911, 3943822, 7887644, 9859555, 19719110, 39438220, 49297775, 98595550, 197191100]

約数ペア:

[(1, 197191100), (2, 98595550), (4, 49297775), (5, 39438220), (10, 19719110), (20, 9859555), (25, 7887644), (50, 3943822), (100, 1971911)]