420310510

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{20533}}^1$

素因数の和:20652

約数の個数: 32

約数和(自身を含む): 798361920

約数和(自身を除く): 378051410

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 2047, 4094, 10235, 20470, 20533, 41066, 102665, 205330, 472259, 944518, 1827437, 2361295, 3654874, 4722590, 9137185, 18274370, 42031051, 84062102, 210155255, 420310510]

約数ペア:

[(1, 420310510), (2, 210155255), (5, 84062102), (10, 42031051), (23, 18274370), (46, 9137185), (89, 4722590), (115, 3654874), (178, 2361295), (230, 1827437), (445, 944518), (890, 472259), (2047, 205330), (4094, 102665), (10235, 41066), (20470, 20533)]