71344420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509603}}^1$

素因数の和:509619

約数の個数: 24

約数和(自身を含む): 171226944

約数和(自身を除く): 99882524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509603, 1019206, 2038412, 2548015, 3567221, 5096030, 7134442, 10192060, 14268884, 17836105, 35672210, 71344420]

約数ペア:

[(1, 71344420), (2, 35672210), (4, 17836105), (5, 14268884), (7, 10192060), (10, 7134442), (14, 5096030), (20, 3567221), (28, 2548015), (35, 2038412), (70, 1019206), (140, 509603)]