71624420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{511603}}^1$

素因数の和:511619

約数の個数: 24

約数和(自身を含む): 171898944

約数和(自身を除く): 100274524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 511603, 1023206, 2046412, 2558015, 3581221, 5116030, 7162442, 10232060, 14324884, 17906105, 35812210, 71624420]

約数ペア:

[(1, 71624420), (2, 35812210), (4, 17906105), (5, 14324884), (7, 10232060), (10, 7162442), (14, 5116030), (20, 3581221), (28, 2558015), (35, 2046412), (70, 1023206), (140, 511603)]