19899950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{56857}}^1$

素因数の和:56876

約数の個数: 24

約数和(自身を含む): 42302352

約数和(自身を除く): 22402402

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 56857, 113714, 284285, 397999, 568570, 795998, 1421425, 1989995, 2842850, 3979990, 9949975, 19899950]

約数ペア:

[(1, 19899950), (2, 9949975), (5, 3979990), (7, 2842850), (10, 1989995), (14, 1421425), (25, 795998), (35, 568570), (50, 397999), (70, 284285), (175, 113714), (350, 56857)]