139997200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{49999}}^1$

素因数の和:50024

約数の個数: 60

約数和(自身を含む): 384400000

約数和(自身を除く): 244402800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 49999, 99998, 199996, 249995, 349993, 399992, 499990, 699986, 799984, 999980, 1249975, 1399972, 1749965, 1999960, 2499950, 2799944, 3499930, 3999920, 4999900, 5599888, 6999860, 8749825, 9999800, 13999720, 17499650, 19999600, 27999440, 34999300, 69998600, 139997200]

約数ペア:

[(1, 139997200), (2, 69998600), (4, 34999300), (5, 27999440), (7, 19999600), (8, 17499650), (10, 13999720), (14, 9999800), (16, 8749825), (20, 6999860), (25, 5599888), (28, 4999900), (35, 3999920), (40, 3499930), (50, 2799944), (56, 2499950), (70, 1999960), (80, 1749965), (100, 1399972), (112, 1249975), (140, 999980), (175, 799984), (200, 699986), (280, 499990), (350, 399992), (400, 349993), (560, 249995), (700, 199996), (1400, 99998), (2800, 49999)]