308976620

素因数分解:

$2^2\times 5^1\times {\mathrm{2473}}^1\times {\mathrm{6247}}^1$

素因数の和:8729

約数の個数: 24

約数和(自身を含む): 649217184

約数和(自身を除く): 340240564

約数列:

[1, 2, 4, 5, 10, 20, 2473, 4946, 6247, 9892, 12365, 12494, 24730, 24988, 31235, 49460, 62470, 124940, 15448831, 30897662, 61795324, 77244155, 154488310, 308976620]

約数ペア:

[(1, 308976620), (2, 154488310), (4, 77244155), (5, 61795324), (10, 30897662), (20, 15448831), (2473, 124940), (4946, 62470), (6247, 49460), (9892, 31235), (12365, 24988), (12494, 24730)]