129439220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{88657}}^1$

素因数の和:88739

約数の個数: 24

約数和(自身を含む): 275549064

約数和(自身を除く): 146109844

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 88657, 177314, 354628, 443285, 886570, 1773140, 6471961, 12943922, 25887844, 32359805, 64719610, 129439220]

約数ペア:

[(1, 129439220), (2, 64719610), (4, 32359805), (5, 25887844), (10, 12943922), (20, 6471961), (73, 1773140), (146, 886570), (292, 443285), (365, 354628), (730, 177314), (1460, 88657)]