207878140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{451909}}^1$

素因数の和:451941

約数の個数: 24

約数和(自身を含む): 455525280

約数和(自身を除く): 247647140

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 451909, 903818, 1807636, 2259545, 4519090, 9038180, 10393907, 20787814, 41575628, 51969535, 103939070, 207878140]

約数ペア:

[(1, 207878140), (2, 103939070), (4, 51969535), (5, 41575628), (10, 20787814), (20, 10393907), (23, 9038180), (46, 4519090), (92, 2259545), (115, 1807636), (230, 903818), (460, 451909)]