77939260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{556709}}^1$

素因数の和:556725

約数の個数: 24

約数和(自身を含む): 187054560

約数和(自身を除く): 109115300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 556709, 1113418, 2226836, 2783545, 3896963, 5567090, 7793926, 11134180, 15587852, 19484815, 38969630, 77939260]

約数ペア:

[(1, 77939260), (2, 38969630), (4, 19484815), (5, 15587852), (7, 11134180), (10, 7793926), (14, 5567090), (20, 3896963), (28, 2783545), (35, 2226836), (70, 1113418), (140, 556709)]