168308860

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{78649}}^1$

素因数の和:78765

約数の個数: 24

約数和(自身を含む): 356756400

約数和(自身を除く): 188447540

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 78649, 157298, 314596, 393245, 786490, 1572980, 8415443, 16830886, 33661772, 42077215, 84154430, 168308860]

約数ペア:

[(1, 168308860), (2, 84154430), (4, 42077215), (5, 33661772), (10, 16830886), (20, 8415443), (107, 1572980), (214, 786490), (428, 393245), (535, 314596), (1070, 157298), (2140, 78649)]