131202280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{298187}}^1$

素因数の和:298209

約数の個数: 32

約数和(自身を含む): 322043040

約数和(自身を除く): 190840760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 298187, 596374, 1192748, 1490935, 2385496, 2981870, 3280057, 5963740, 6560114, 11927480, 13120228, 16400285, 26240456, 32800570, 65601140, 131202280]

約数ペア:

[(1, 131202280), (2, 65601140), (4, 32800570), (5, 26240456), (8, 16400285), (10, 13120228), (11, 11927480), (20, 6560114), (22, 5963740), (40, 3280057), (44, 2981870), (55, 2385496), (88, 1490935), (110, 1192748), (220, 596374), (440, 298187)]