2109138740

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1\times {\mathrm{3931}}^1$

素因数の和:4272

約数の個数: 48

約数和(自身を含む): 4485311040

約数和(自身を除く): 2376172300

約数列:

[1, 2, 4, 5, 10, 20, 139, 193, 278, 386, 556, 695, 772, 965, 1390, 1930, 2780, 3860, 3931, 7862, 15724, 19655, 26827, 39310, 53654, 78620, 107308, 134135, 268270, 536540, 546409, 758683, 1092818, 1517366, 2185636, 2732045, 3034732, 3793415, 5464090, 7586830, 10928180, 15173660, 105456937, 210913874, 421827748, 527284685, 1054569370, 2109138740]

約数ペア:

[(1, 2109138740), (2, 1054569370), (4, 527284685), (5, 421827748), (10, 210913874), (20, 105456937), (139, 15173660), (193, 10928180), (278, 7586830), (386, 5464090), (556, 3793415), (695, 3034732), (772, 2732045), (965, 2185636), (1390, 1517366), (1930, 1092818), (2780, 758683), (3860, 546409), (3931, 536540), (7862, 268270), (15724, 134135), (19655, 107308), (26827, 78620), (39310, 53654)]