1778820980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1678133}}^1$

素因数の和:1678195

約数の個数: 24

約数和(自身を含む): 3806007912

約数和(自身を除く): 2027186932

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 1678133, 3356266, 6712532, 8390665, 16781330, 33562660, 88941049, 177882098, 355764196, 444705245, 889410490, 1778820980]

約数ペア:

[(1, 1778820980), (2, 889410490), (4, 444705245), (5, 355764196), (10, 177882098), (20, 88941049), (53, 33562660), (106, 16781330), (212, 8390665), (265, 6712532), (530, 3356266), (1060, 1678133)]