2645860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{18899}}^1$

素因数の和:18915

約数の個数: 24

約数和(自身を含む): 6350400

約数和(自身を除く): 3704540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 18899, 37798, 75596, 94495, 132293, 188990, 264586, 377980, 529172, 661465, 1322930, 2645860]

約数ペア:

[(1, 2645860), (2, 1322930), (4, 661465), (5, 529172), (7, 377980), (10, 264586), (14, 188990), (20, 132293), (28, 94495), (35, 75596), (70, 37798), (140, 18899)]