42915880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{153271}}^1$

素因数の和:153289

約数の個数: 32

約数和(自身を含む): 110355840

約数和(自身を除く): 67439960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 153271, 306542, 613084, 766355, 1072897, 1226168, 1532710, 2145794, 3065420, 4291588, 5364485, 6130840, 8583176, 10728970, 21457940, 42915880]

約数ペア:

[(1, 42915880), (2, 21457940), (4, 10728970), (5, 8583176), (7, 6130840), (8, 5364485), (10, 4291588), (14, 3065420), (20, 2145794), (28, 1532710), (35, 1226168), (40, 1072897), (56, 766355), (70, 613084), (140, 306542), (280, 153271)]