210065720

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{18959}}^1$

素因数の和:19247

約数の個数: 32

約数和(自身を含む): 474379200

約数和(自身を除く): 264313480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 11080, 18959, 37918, 75836, 94795, 151672, 189590, 379180, 758360, 5251643, 10503286, 21006572, 26258215, 42013144, 52516430, 105032860, 210065720]

約数ペア:

[(1, 210065720), (2, 105032860), (4, 52516430), (5, 42013144), (8, 26258215), (10, 21006572), (20, 10503286), (40, 5251643), (277, 758360), (554, 379180), (1108, 189590), (1385, 151672), (2216, 94795), (2770, 75836), (5540, 37918), (11080, 18959)]