78613480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{479}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 193881600

約数和(自身を除く): 115268120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 373, 440, 479, 746, 958, 1492, 1865, 1916, 2395, 2984, 3730, 3832, 4103, 4790, 5269, 7460, 8206, 9580, 10538, 14920, 16412, 19160, 20515, 21076, 26345, 32824, 41030, 42152, 52690, 82060, 105380, 164120, 178667, 210760, 357334, 714668, 893335, 1429336, 1786670, 1965337, 3573340, 3930674, 7146680, 7861348, 9826685, 15722696, 19653370, 39306740, 78613480]

約数ペア:

[(1, 78613480), (2, 39306740), (4, 19653370), (5, 15722696), (8, 9826685), (10, 7861348), (11, 7146680), (20, 3930674), (22, 3573340), (40, 1965337), (44, 1786670), (55, 1429336), (88, 893335), (110, 714668), (220, 357334), (373, 210760), (440, 178667), (479, 164120), (746, 105380), (958, 82060), (1492, 52690), (1865, 42152), (1916, 41030), (2395, 32824), (2984, 26345), (3730, 21076), (3832, 20515), (4103, 19160), (4790, 16412), (5269, 14920), (7460, 10538), (8206, 9580)]