642437320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2294419}}^1$

素因数の和:2294437

約数の個数: 32

約数和(自身を含む): 1651982400

約数和(自身を除く): 1009545080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2294419, 4588838, 9177676, 11472095, 16060933, 18355352, 22944190, 32121866, 45888380, 64243732, 80304665, 91776760, 128487464, 160609330, 321218660, 642437320]

約数ペア:

[(1, 642437320), (2, 321218660), (4, 160609330), (5, 128487464), (7, 91776760), (8, 80304665), (10, 64243732), (14, 45888380), (20, 32121866), (28, 22944190), (35, 18355352), (40, 16060933), (56, 11472095), (70, 9177676), (140, 4588838), (280, 2294419)]