199935005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{4999}}^1$

素因数の和:5444

約数の個数: 16

約数和(自身を含む): 253200000

約数和(自身を除く): 53264995

約数列:

[1, 5, 19, 95, 421, 2105, 4999, 7999, 24995, 39995, 94981, 474905, 2104579, 10522895, 39987001, 199935005]

約数ペア:

[(1, 199935005), (5, 39987001), (19, 10522895), (95, 2104579), (421, 474905), (2105, 94981), (4999, 39995), (7999, 24995)]