289328860

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{113909}}^1$

素因数の和:114045

約数の個数: 24

約数和(自身を含む): 612380160

約数和(自身を除く): 323051300

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 113909, 227818, 455636, 569545, 1139090, 2278180, 14466443, 28932886, 57865772, 72332215, 144664430, 289328860]

約数ペア:

[(1, 289328860), (2, 144664430), (4, 72332215), (5, 57865772), (10, 28932886), (20, 14466443), (127, 2278180), (254, 1139090), (508, 569545), (635, 455636), (1270, 227818), (2540, 113909)]