829421780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{38867}}^1$

素因数の和:38984

約数の個数: 48

約数和(自身を含む): 1919768256

約数和(自身を除く): 1090346476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1940, 2134, 4268, 5335, 10670, 21340, 38867, 77734, 155468, 194335, 388670, 427537, 777340, 855074, 1710148, 2137685, 3770099, 4275370, 7540198, 8550740, 15080396, 18850495, 37700990, 41471089, 75401980, 82942178, 165884356, 207355445, 414710890, 829421780]

約数ペア:

[(1, 829421780), (2, 414710890), (4, 207355445), (5, 165884356), (10, 82942178), (11, 75401980), (20, 41471089), (22, 37700990), (44, 18850495), (55, 15080396), (97, 8550740), (110, 7540198), (194, 4275370), (220, 3770099), (388, 2137685), (485, 1710148), (970, 855074), (1067, 777340), (1940, 427537), (2134, 388670), (4268, 194335), (5335, 155468), (10670, 77734), (21340, 38867)]