859619420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3907361}}^1$

素因数の和:3907381

約数の個数: 24

約数和(自身を含む): 1969310448

約数和(自身を除く): 1109691028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 3907361, 7814722, 15629444, 19536805, 39073610, 42980971, 78147220, 85961942, 171923884, 214904855, 429809710, 859619420]

約数ペア:

[(1, 859619420), (2, 429809710), (4, 214904855), (5, 171923884), (10, 85961942), (11, 78147220), (20, 42980971), (22, 39073610), (44, 19536805), (55, 15629444), (110, 7814722), (220, 3907361)]