2140100

素因数分解:

$2^2\times 5^2\times {\mathrm{21401}}^1$

素因数の和:21415

約数の個数: 18

約数和(自身を含む): 4644234

約数和(自身を除く): 2504134

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 21401, 42802, 85604, 107005, 214010, 428020, 535025, 1070050, 2140100]

約数ペア:

[(1, 2140100), (2, 1070050), (4, 535025), (5, 428020), (10, 214010), (20, 107005), (25, 85604), (50, 42802), (100, 21401)]