1821981950

素因数分解:

$2^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{719}}^1\times {\mathrm{859}}^1$

素因数の和:1649

約数の個数: 48

約数和(自身を含む): 3455136000

約数和(自身を除く): 1633154050

約数列:

[1, 2, 5, 10, 25, 50, 59, 118, 295, 590, 719, 859, 1438, 1475, 1718, 2950, 3595, 4295, 7190, 8590, 17975, 21475, 35950, 42421, 42950, 50681, 84842, 101362, 212105, 253405, 424210, 506810, 617621, 1060525, 1235242, 1267025, 2121050, 2534050, 3088105, 6176210, 15440525, 30881050, 36439639, 72879278, 182198195, 364396390, 910990975, 1821981950]

約数ペア:

[(1, 1821981950), (2, 910990975), (5, 364396390), (10, 182198195), (25, 72879278), (50, 36439639), (59, 30881050), (118, 15440525), (295, 6176210), (590, 3088105), (719, 2534050), (859, 2121050), (1438, 1267025), (1475, 1235242), (1718, 1060525), (2950, 617621), (3595, 506810), (4295, 424210), (7190, 253405), (8590, 212105), (17975, 101362), (21475, 84842), (35950, 50681), (42421, 42950)]