308559920

素因数分解:

$2^4\times 5^1\times {\mathrm{3856999}}^1$

素因数の和:3857012

約数の個数: 20

約数和(自身を含む): 717402000

約数和(自身を除く): 408842080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3856999, 7713998, 15427996, 19284995, 30855992, 38569990, 61711984, 77139980, 154279960, 308559920]

約数ペア:

[(1, 308559920), (2, 154279960), (4, 77139980), (5, 61711984), (8, 38569990), (10, 30855992), (16, 19284995), (20, 15427996), (40, 7713998), (80, 3856999)]