320045

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^2$

素因数の和:73

約数の個数: 18

約数和(自身を含む): 441294

約数和(自身を除く): 121249

約数列:

[1, 5, 11, 23, 55, 115, 121, 253, 529, 605, 1265, 2645, 2783, 5819, 13915, 29095, 64009, 320045]

約数ペア:

[(1, 320045), (5, 64009), (11, 29095), (23, 13915), (55, 5819), (115, 2783), (121, 2645), (253, 1265), (529, 605)]