304889780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{27271}}^1$

素因数の和:27336

約数の個数: 48

約数和(自身を含む): 705581184

約数和(自身を除く): 400691404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 27271, 54542, 109084, 136355, 272710, 354523, 545420, 709046, 1172653, 1418092, 1772615, 2345306, 3545230, 4690612, 5863265, 7090460, 11726530, 15244489, 23453060, 30488978, 60977956, 76222445, 152444890, 304889780]

約数ペア:

[(1, 304889780), (2, 152444890), (4, 76222445), (5, 60977956), (10, 30488978), (13, 23453060), (20, 15244489), (26, 11726530), (43, 7090460), (52, 5863265), (65, 4690612), (86, 3545230), (130, 2345306), (172, 1772615), (215, 1418092), (260, 1172653), (430, 709046), (559, 545420), (860, 354523), (1118, 272710), (2236, 136355), (2795, 109084), (5590, 54542), (11180, 27271)]