19950140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{142501}}^1$

素因数の和:142517

約数の個数: 24

約数和(自身を含む): 47880672

約数和(自身を除く): 27930532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 142501, 285002, 570004, 712505, 997507, 1425010, 1995014, 2850020, 3990028, 4987535, 9975070, 19950140]

約数ペア:

[(1, 19950140), (2, 9975070), (4, 4987535), (5, 3990028), (7, 2850020), (10, 1995014), (14, 1425010), (20, 997507), (28, 712505), (35, 570004), (70, 285002), (140, 142501)]