621015340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{29101}}^1$

素因数の和:29218

約数の個数: 48

約数和(自身を含む): 1437405984

約数和(自身を除く): 816390644

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, 29101, 58202, 116404, 145505, 291010, 320111, 582020, 640222, 1280444, 1600555, 2822797, 3201110, 5645594, 6402220, 11291188, 14113985, 28227970, 31050767, 56455940, 62101534, 124203068, 155253835, 310507670, 621015340]

約数ペア:

[(1, 621015340), (2, 310507670), (4, 155253835), (5, 124203068), (10, 62101534), (11, 56455940), (20, 31050767), (22, 28227970), (44, 14113985), (55, 11291188), (97, 6402220), (110, 5645594), (194, 3201110), (220, 2822797), (388, 1600555), (485, 1280444), (970, 640222), (1067, 582020), (1940, 320111), (2134, 291010), (4268, 145505), (5335, 116404), (10670, 58202), (21340, 29101)]