255493810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{479}}^1$

素因数の和:883

約数の個数: 64

約数和(自身を含む): 542868480

約数和(自身を除く): 287374670

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 373, 479, 715, 746, 958, 1430, 1865, 2395, 3730, 4103, 4790, 4849, 5269, 6227, 8206, 9698, 10538, 12454, 20515, 24245, 26345, 31135, 41030, 48490, 52690, 53339, 62270, 68497, 106678, 136994, 178667, 266695, 342485, 357334, 533390, 684970, 893335, 1786670, 1965337, 2322671, 3930674, 4645342, 9826685, 11613355, 19653370, 23226710, 25549381, 51098762, 127746905, 255493810]

約数ペア:

[(1, 255493810), (2, 127746905), (5, 51098762), (10, 25549381), (11, 23226710), (13, 19653370), (22, 11613355), (26, 9826685), (55, 4645342), (65, 3930674), (110, 2322671), (130, 1965337), (143, 1786670), (286, 893335), (373, 684970), (479, 533390), (715, 357334), (746, 342485), (958, 266695), (1430, 178667), (1865, 136994), (2395, 106678), (3730, 68497), (4103, 62270), (4790, 53339), (4849, 52690), (5269, 48490), (6227, 41030), (8206, 31135), (9698, 26345), (10538, 24245), (12454, 20515)]