28209650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{80599}}^1$

素因数の和:80618

約数の個数: 24

約数和(自身を含む): 59966400

約数和(自身を除く): 31756750

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 80599, 161198, 402995, 564193, 805990, 1128386, 2014975, 2820965, 4029950, 5641930, 14104825, 28209650]

約数ペア:

[(1, 28209650), (2, 14104825), (5, 5641930), (7, 4029950), (10, 2820965), (14, 2014975), (25, 1128386), (35, 805990), (50, 564193), (70, 402995), (175, 161198), (350, 80599)]