42734020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{305243}}^1$

素因数の和:305259

約数の個数: 24

約数和(自身を含む): 102561984

約数和(自身を除く): 59827964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 305243, 610486, 1220972, 1526215, 2136701, 3052430, 4273402, 6104860, 8546804, 10683505, 21367010, 42734020]

約数ペア:

[(1, 42734020), (2, 21367010), (4, 10683505), (5, 8546804), (7, 6104860), (10, 4273402), (14, 3052430), (20, 2136701), (28, 1526215), (35, 1220972), (70, 610486), (140, 305243)]