280139650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{800399}}^1$

素因数の和:800418

約数の個数: 24

約数和(自身を含む): 595497600

約数和(自身を除く): 315357950

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 800399, 1600798, 4001995, 5602793, 8003990, 11205586, 20009975, 28013965, 40019950, 56027930, 140069825, 280139650]

約数ペア:

[(1, 280139650), (2, 140069825), (5, 56027930), (7, 40019950), (10, 28013965), (14, 20009975), (25, 11205586), (35, 8003990), (50, 5602793), (70, 4001995), (175, 1600798), (350, 800399)]