71994440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{257123}}^1$

素因数の和:257141

約数の個数: 32

約数和(自身を含む): 185129280

約数和(自身を除く): 113134840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 257123, 514246, 1028492, 1285615, 1799861, 2056984, 2571230, 3599722, 5142460, 7199444, 8999305, 10284920, 14398888, 17998610, 35997220, 71994440]

約数ペア:

[(1, 71994440), (2, 35997220), (4, 17998610), (5, 14398888), (7, 10284920), (8, 8999305), (10, 7199444), (14, 5142460), (20, 3599722), (28, 2571230), (35, 2056984), (40, 1799861), (56, 1285615), (70, 1028492), (140, 514246), (280, 257123)]