1098940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2389}}^1$

素因数の和:2421

約数の個数: 24

約数和(自身を含む): 2409120

約数和(自身を除く): 1310180

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 2389, 4778, 9556, 11945, 23890, 47780, 54947, 109894, 219788, 274735, 549470, 1098940]

約数ペア:

[(1, 1098940), (2, 549470), (4, 274735), (5, 219788), (10, 109894), (20, 54947), (23, 47780), (46, 23890), (92, 11945), (115, 9556), (230, 4778), (460, 2389)]