320401345

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{7459}}^1$

素因数の和:7557

約数の個数: 24

約数和(自身を含む): 428621760

約数和(自身を除く): 108220415

約数列:

[1, 5, 11, 55, 71, 121, 355, 605, 781, 3905, 7459, 8591, 37295, 42955, 82049, 410245, 529589, 902539, 2647945, 4512695, 5825479, 29127395, 64080269, 320401345]

約数ペア:

[(1, 320401345), (5, 64080269), (11, 29127395), (55, 5825479), (71, 4512695), (121, 2647945), (355, 902539), (605, 529589), (781, 410245), (3905, 82049), (7459, 42955), (8591, 37295)]