77664440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{277373}}^1$

素因数の和:277391

約数の個数: 32

約数和(自身を含む): 199709280

約数和(自身を除く): 122044840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 277373, 554746, 1109492, 1386865, 1941611, 2218984, 2773730, 3883222, 5547460, 7766444, 9708055, 11094920, 15532888, 19416110, 38832220, 77664440]

約数ペア:

[(1, 77664440), (2, 38832220), (4, 19416110), (5, 15532888), (7, 11094920), (8, 9708055), (10, 7766444), (14, 5547460), (20, 3883222), (28, 2773730), (35, 2218984), (40, 1941611), (56, 1386865), (70, 1109492), (140, 554746), (280, 277373)]