31698140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{68909}}^1$

素因数の和:68941

約数の個数: 24

約数和(自身を含む): 69461280

約数和(自身を除く): 37763140

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 68909, 137818, 275636, 344545, 689090, 1378180, 1584907, 3169814, 6339628, 7924535, 15849070, 31698140]

約数ペア:

[(1, 31698140), (2, 15849070), (4, 7924535), (5, 6339628), (10, 3169814), (20, 1584907), (23, 1378180), (46, 689090), (92, 344545), (115, 275636), (230, 137818), (460, 68909)]