397777220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1169933}}^1$

素因数の和:1169959

約数の個数: 24

約数和(自身を含む): 884470104

約数和(自身を除く): 486692884

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1169933, 2339866, 4679732, 5849665, 11699330, 19888861, 23398660, 39777722, 79555444, 99444305, 198888610, 397777220]

約数ペア:

[(1, 397777220), (2, 198888610), (4, 99444305), (5, 79555444), (10, 39777722), (17, 23398660), (20, 19888861), (34, 11699330), (68, 5849665), (85, 4679732), (170, 2339866), (340, 1169933)]