207054820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1478963}}^1$

素因数の和:1478979

約数の個数: 24

約数和(自身を含む): 496931904

約数和(自身を除く): 289877084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1478963, 2957926, 5915852, 7394815, 10352741, 14789630, 20705482, 29579260, 41410964, 51763705, 103527410, 207054820]

約数ペア:

[(1, 207054820), (2, 103527410), (4, 51763705), (5, 41410964), (7, 29579260), (10, 20705482), (14, 14789630), (20, 10352741), (28, 7394815), (35, 5915852), (70, 2957926), (140, 1478963)]