218798140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:379

約数の個数: 96

約数和(自身を含む): 520224768

約数和(自身を除く): 301426628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 127, 164, 191, 205, 220, 254, 382, 410, 451, 508, 635, 764, 820, 902, 955, 1270, 1397, 1804, 1910, 2101, 2255, 2540, 2794, 3820, 4202, 4510, 5207, 5588, 6985, 7831, 8404, 9020, 10414, 10505, 13970, 15662, 20828, 21010, 24257, 26035, 27940, 31324, 39155, 42020, 48514, 52070, 57277, 78310, 86141, 97028, 104140, 114554, 121285, 156620, 172282, 229108, 242570, 266827, 286385, 344564, 430705, 485140, 533654, 572770, 861410, 994537, 1067308, 1145540, 1334135, 1722820, 1989074, 2668270, 3978148, 4972685, 5336540, 9945370, 10939907, 19890740, 21879814, 43759628, 54699535, 109399070, 218798140]

約数ペア:

[(1, 218798140), (2, 109399070), (4, 54699535), (5, 43759628), (10, 21879814), (11, 19890740), (20, 10939907), (22, 9945370), (41, 5336540), (44, 4972685), (55, 3978148), (82, 2668270), (110, 1989074), (127, 1722820), (164, 1334135), (191, 1145540), (205, 1067308), (220, 994537), (254, 861410), (382, 572770), (410, 533654), (451, 485140), (508, 430705), (635, 344564), (764, 286385), (820, 266827), (902, 242570), (955, 229108), (1270, 172282), (1397, 156620), (1804, 121285), (1910, 114554), (2101, 104140), (2255, 97028), (2540, 86141), (2794, 78310), (3820, 57277), (4202, 52070), (4510, 48514), (5207, 42020), (5588, 39155), (6985, 31324), (7831, 27940), (8404, 26035), (9020, 24257), (10414, 21010), (10505, 20828), (13970, 15662)]