198340

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:267

約数の個数: 24

約数和(自身を含む): 427392

約数和(自身を除く): 229052

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 211, 235, 422, 470, 844, 940, 1055, 2110, 4220, 9917, 19834, 39668, 49585, 99170, 198340]

約数ペア:

[(1, 198340), (2, 99170), (4, 49585), (5, 39668), (10, 19834), (20, 9917), (47, 4220), (94, 2110), (188, 1055), (211, 940), (235, 844), (422, 470)]