28403900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{40577}}^1$

素因数の和:40598

約数の個数: 36

約数和(自身を含む): 70443408

約数和(自身を除く): 42039508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 40577, 81154, 162308, 202885, 284039, 405770, 568078, 811540, 1014425, 1136156, 1420195, 2028850, 2840390, 4057700, 5680780, 7100975, 14201950, 28403900]

約数ペア:

[(1, 28403900), (2, 14201950), (4, 7100975), (5, 5680780), (7, 4057700), (10, 2840390), (14, 2028850), (20, 1420195), (25, 1136156), (28, 1014425), (35, 811540), (50, 568078), (70, 405770), (100, 284039), (140, 202885), (175, 162308), (350, 81154), (700, 40577)]