780068

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 1458240

約数和(自身を除く): 678172

約数列:

[1, 2, 4, 23, 46, 61, 92, 122, 139, 244, 278, 556, 1403, 2806, 3197, 5612, 6394, 8479, 12788, 16958, 33916, 195017, 390034, 780068]

約数ペア:

[(1, 780068), (2, 390034), (4, 195017), (23, 33916), (46, 16958), (61, 12788), (92, 8479), (122, 6394), (139, 5612), (244, 3197), (278, 2806), (556, 1403)]