687501140

素因数分解:

$2^2\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{32707}}^1$

素因数の和:33767

約数の個数: 24

約数和(自身を含む): 1445170272

約数和(自身を除く): 757669132

約数列:

[1, 2, 4, 5, 10, 20, 1051, 2102, 4204, 5255, 10510, 21020, 32707, 65414, 130828, 163535, 327070, 654140, 34375057, 68750114, 137500228, 171875285, 343750570, 687501140]

約数ペア:

[(1, 687501140), (2, 343750570), (4, 171875285), (5, 137500228), (10, 68750114), (20, 34375057), (1051, 654140), (2102, 327070), (4204, 163535), (5255, 130828), (10510, 65414), (21020, 32707)]