838340

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{251}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 1778112

約数和(自身を除く): 939772

約数列:

[1, 2, 4, 5, 10, 20, 167, 251, 334, 502, 668, 835, 1004, 1255, 1670, 2510, 3340, 5020, 41917, 83834, 167668, 209585, 419170, 838340]

約数ペア:

[(1, 838340), (2, 419170), (4, 209585), (5, 167668), (10, 83834), (20, 41917), (167, 5020), (251, 3340), (334, 2510), (502, 1670), (668, 1255), (835, 1004)]