85330280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{304751}}^1$

素因数の和:304769

約数の個数: 32

約数和(自身を含む): 219421440

約数和(自身を除く): 134091160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 304751, 609502, 1219004, 1523755, 2133257, 2438008, 3047510, 4266514, 6095020, 8533028, 10666285, 12190040, 17066056, 21332570, 42665140, 85330280]

約数ペア:

[(1, 85330280), (2, 42665140), (4, 21332570), (5, 17066056), (7, 12190040), (8, 10666285), (10, 8533028), (14, 6095020), (20, 4266514), (28, 3047510), (35, 2438008), (40, 2133257), (56, 1523755), (70, 1219004), (140, 609502), (280, 304751)]