139717870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{2879}}^1$

素因数の和:3120

約数の個数: 32

約数和(自身を含む): 263761920

約数和(自身を除く): 124044050

約数列:

[1, 2, 5, 10, 23, 46, 115, 211, 230, 422, 1055, 2110, 2879, 4853, 5758, 9706, 14395, 24265, 28790, 48530, 66217, 132434, 331085, 607469, 662170, 1214938, 3037345, 6074690, 13971787, 27943574, 69858935, 139717870]

約数ペア:

[(1, 139717870), (2, 69858935), (5, 27943574), (10, 13971787), (23, 6074690), (46, 3037345), (115, 1214938), (211, 662170), (230, 607469), (422, 331085), (1055, 132434), (2110, 66217), (2879, 48530), (4853, 28790), (5758, 24265), (9706, 14395)]