2086790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 4029696

約数和(自身を除く): 1942906

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 211, 215, 230, 422, 430, 989, 1055, 1978, 2110, 4853, 4945, 9073, 9706, 9890, 18146, 24265, 45365, 48530, 90730, 208679, 417358, 1043395, 2086790]

約数ペア:

[(1, 2086790), (2, 1043395), (5, 417358), (10, 208679), (23, 90730), (43, 48530), (46, 45365), (86, 24265), (115, 18146), (211, 9890), (215, 9706), (230, 9073), (422, 4945), (430, 4853), (989, 2110), (1055, 1978)]