2389420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10861}}^1$

素因数の和:10881

約数の個数: 24

約数和(自身を含む): 5474448

約数和(自身を除く): 3085028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 10861, 21722, 43444, 54305, 108610, 119471, 217220, 238942, 477884, 597355, 1194710, 2389420]

約数ペア:

[(1, 2389420), (2, 1194710), (4, 597355), (5, 477884), (10, 238942), (11, 217220), (20, 119471), (22, 108610), (44, 54305), (55, 43444), (110, 21722), (220, 10861)]