438820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{593}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 948024

約数和(自身を除く): 509204

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 593, 740, 1186, 2372, 2965, 5930, 11860, 21941, 43882, 87764, 109705, 219410, 438820]

約数ペア:

[(1, 438820), (2, 219410), (4, 109705), (5, 87764), (10, 43882), (20, 21941), (37, 11860), (74, 5930), (148, 2965), (185, 2372), (370, 1186), (593, 740)]