31284820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223463}}^1$

素因数の和:223479

約数の個数: 24

約数和(自身を含む): 75083904

約数和(自身を除く): 43799084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223463, 446926, 893852, 1117315, 1564241, 2234630, 3128482, 4469260, 6256964, 7821205, 15642410, 31284820]

約数ペア:

[(1, 31284820), (2, 15642410), (4, 7821205), (5, 6256964), (7, 4469260), (10, 3128482), (14, 2234630), (20, 1564241), (28, 1117315), (35, 893852), (70, 446926), (140, 223463)]