380009080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{5501}}^1$

素因数の和:5680

約数の個数: 64

約数和(自身を含む): 938861280

約数和(自身を除く): 558852200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 157, 220, 314, 440, 628, 785, 1256, 1570, 1727, 3140, 3454, 5501, 6280, 6908, 8635, 11002, 13816, 17270, 22004, 27505, 34540, 44008, 55010, 60511, 69080, 110020, 121022, 220040, 242044, 302555, 484088, 605110, 863657, 1210220, 1727314, 2420440, 3454628, 4318285, 6909256, 8636570, 9500227, 17273140, 19000454, 34546280, 38000908, 47501135, 76001816, 95002270, 190004540, 380009080]

約数ペア:

[(1, 380009080), (2, 190004540), (4, 95002270), (5, 76001816), (8, 47501135), (10, 38000908), (11, 34546280), (20, 19000454), (22, 17273140), (40, 9500227), (44, 8636570), (55, 6909256), (88, 4318285), (110, 3454628), (157, 2420440), (220, 1727314), (314, 1210220), (440, 863657), (628, 605110), (785, 484088), (1256, 302555), (1570, 242044), (1727, 220040), (3140, 121022), (3454, 110020), (5501, 69080), (6280, 60511), (6908, 55010), (8635, 44008), (11002, 34540), (13816, 27505), (17270, 22004)]