28620930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73387}}^1$

素因数の和:73410

約数の個数: 32

約数和(自身を含む): 73975104

約数和(自身を除く): 45354174

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 73387, 146774, 220161, 366935, 440322, 733870, 954031, 1100805, 1908062, 2201610, 2862093, 4770155, 5724186, 9540310, 14310465, 28620930]

約数ペア:

[(1, 28620930), (2, 14310465), (3, 9540310), (5, 5724186), (6, 4770155), (10, 2862093), (13, 2201610), (15, 1908062), (26, 1100805), (30, 954031), (39, 733870), (65, 440322), (78, 366935), (130, 220161), (195, 146774), (390, 73387)]