129439210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{681259}}^1$

素因数の和:681285

約数の個数: 16

約数和(自身を含む): 245253600

約数和(自身を除く): 115814390

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 681259, 1362518, 3406295, 6812590, 12943921, 25887842, 64719605, 129439210]

約数ペア:

[(1, 129439210), (2, 64719605), (5, 25887842), (10, 12943921), (19, 6812590), (38, 3406295), (95, 1362518), (190, 681259)]