31878980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227707}}^1$

素因数の和:227723

約数の個数: 24

約数和(自身を含む): 76509888

約数和(自身を除く): 44630908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227707, 455414, 910828, 1138535, 1593949, 2277070, 3187898, 4554140, 6375796, 7969745, 15939490, 31878980]

約数ペア:

[(1, 31878980), (2, 15939490), (4, 7969745), (5, 6375796), (7, 4554140), (10, 3187898), (14, 2277070), (20, 1593949), (28, 1138535), (35, 910828), (70, 455414), (140, 227707)]