308990380

素因数分解:

$2^2\times 5^1\times {\mathrm{2309}}^1\times {\mathrm{6691}}^1$

素因数の和:9009

約数の個数: 24

約数和(自身を含む): 649257840

約数和(自身を除く): 340267460

約数列:

[1, 2, 4, 5, 10, 20, 2309, 4618, 6691, 9236, 11545, 13382, 23090, 26764, 33455, 46180, 66910, 133820, 15449519, 30899038, 61798076, 77247595, 154495190, 308990380]

約数ペア:

[(1, 308990380), (2, 154495190), (4, 77247595), (5, 61798076), (10, 30899038), (20, 15449519), (2309, 133820), (4618, 66910), (6691, 46180), (9236, 33455), (11545, 26764), (13382, 23090)]