211458440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{5501}}^1$

素因数の和:5574

約数の個数: 48

約数和(自身を含む): 491713740

約数和(自身を除く): 280255300

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3844, 4805, 5501, 7688, 9610, 11002, 19220, 22004, 27505, 38440, 44008, 55010, 110020, 170531, 220040, 341062, 682124, 852655, 1364248, 1705310, 3410620, 5286461, 6821240, 10572922, 21145844, 26432305, 42291688, 52864610, 105729220, 211458440]

約数ペア:

[(1, 211458440), (2, 105729220), (4, 52864610), (5, 42291688), (8, 26432305), (10, 21145844), (20, 10572922), (31, 6821240), (40, 5286461), (62, 3410620), (124, 1705310), (155, 1364248), (248, 852655), (310, 682124), (620, 341062), (961, 220040), (1240, 170531), (1922, 110020), (3844, 55010), (4805, 44008), (5501, 38440), (7688, 27505), (9610, 22004), (11002, 19220)]