78470420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{560503}}^1$

素因数の和:560519

約数の個数: 24

約数和(自身を含む): 188329344

約数和(自身を除く): 109858924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 560503, 1121006, 2242012, 2802515, 3923521, 5605030, 7847042, 11210060, 15694084, 19617605, 39235210, 78470420]

約数ペア:

[(1, 78470420), (2, 39235210), (4, 19617605), (5, 15694084), (7, 11210060), (10, 7847042), (14, 5605030), (20, 3923521), (28, 2802515), (35, 2242012), (70, 1121006), (140, 560503)]