267931820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{5231}}^1$

素因数の和:5450

約数の個数: 48

約数和(自身を含む): 609130368

約数和(自身を除く): 341198548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 197, 260, 394, 788, 985, 1970, 2561, 3940, 5122, 5231, 10244, 10462, 12805, 20924, 25610, 26155, 51220, 52310, 68003, 104620, 136006, 272012, 340015, 680030, 1030507, 1360060, 2061014, 4122028, 5152535, 10305070, 13396591, 20610140, 26793182, 53586364, 66982955, 133965910, 267931820]

約数ペア:

[(1, 267931820), (2, 133965910), (4, 66982955), (5, 53586364), (10, 26793182), (13, 20610140), (20, 13396591), (26, 10305070), (52, 5152535), (65, 4122028), (130, 2061014), (197, 1360060), (260, 1030507), (394, 680030), (788, 340015), (985, 272012), (1970, 136006), (2561, 104620), (3940, 68003), (5122, 52310), (5231, 51220), (10244, 26155), (10462, 25610), (12805, 20924)]