218364080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{248141}}^1$

素因数の和:248165

約数の個数: 40

約数和(自身を含む): 553852944

約数和(自身を除く): 335488864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 248141, 496282, 992564, 1240705, 1985128, 2481410, 2729551, 3970256, 4962820, 5459102, 9925640, 10918204, 13647755, 19851280, 21836408, 27295510, 43672816, 54591020, 109182040, 218364080]

約数ペア:

[(1, 218364080), (2, 109182040), (4, 54591020), (5, 43672816), (8, 27295510), (10, 21836408), (11, 19851280), (16, 13647755), (20, 10918204), (22, 9925640), (40, 5459102), (44, 4962820), (55, 3970256), (80, 2729551), (88, 2481410), (110, 1985128), (176, 1240705), (220, 992564), (440, 496282), (880, 248141)]