209471290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{33623}}^1$

素因数の和:33726

約数の個数: 32

約数和(自身を含む): 435767040

約数和(自身を除く): 226295750

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 6230, 33623, 67246, 168115, 235361, 336230, 470722, 1176805, 2353610, 2992447, 5984894, 14962235, 20947129, 29924470, 41894258, 104735645, 209471290]

約数ペア:

[(1, 209471290), (2, 104735645), (5, 41894258), (7, 29924470), (10, 20947129), (14, 14962235), (35, 5984894), (70, 2992447), (89, 2353610), (178, 1176805), (445, 470722), (623, 336230), (890, 235361), (1246, 168115), (3115, 67246), (6230, 33623)]