2078691880

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1\times {\mathrm{1069}}^1$

素因数の和:1534

約数の個数: 64

約数和(自身を含む): 4725248400

約数和(自身を除く): 2646556520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 281, 346, 562, 692, 865, 1069, 1124, 1384, 1405, 1730, 2138, 2248, 2810, 3460, 4276, 5345, 5620, 6920, 8552, 10690, 11240, 21380, 42760, 48613, 97226, 184937, 194452, 243065, 300389, 369874, 388904, 486130, 600778, 739748, 924685, 972260, 1201556, 1479496, 1501945, 1849370, 1944520, 2403112, 3003890, 3698740, 6007780, 7397480, 12015560, 51967297, 103934594, 207869188, 259836485, 415738376, 519672970, 1039345940, 2078691880]

約数ペア:

[(1, 2078691880), (2, 1039345940), (4, 519672970), (5, 415738376), (8, 259836485), (10, 207869188), (20, 103934594), (40, 51967297), (173, 12015560), (281, 7397480), (346, 6007780), (562, 3698740), (692, 3003890), (865, 2403112), (1069, 1944520), (1124, 1849370), (1384, 1501945), (1405, 1479496), (1730, 1201556), (2138, 972260), (2248, 924685), (2810, 739748), (3460, 600778), (4276, 486130), (5345, 388904), (5620, 369874), (6920, 300389), (8552, 243065), (10690, 194452), (11240, 184937), (21380, 97226), (42760, 48613)]