201959600

素因数分解:

$2^4\times 5^2\times {\mathrm{101}}^1\times {\mathrm{4999}}^1$

素因数の和:5118

約数の個数: 60

約数和(自身を含む): 490110000

約数和(自身を除く): 288150400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 101, 200, 202, 400, 404, 505, 808, 1010, 1616, 2020, 2525, 4040, 4999, 5050, 8080, 9998, 10100, 19996, 20200, 24995, 39992, 40400, 49990, 79984, 99980, 124975, 199960, 249950, 399920, 499900, 504899, 999800, 1009798, 1999600, 2019596, 2524495, 4039192, 5048990, 8078384, 10097980, 12622475, 20195960, 25244950, 40391920, 50489900, 100979800, 201959600]

約数ペア:

[(1, 201959600), (2, 100979800), (4, 50489900), (5, 40391920), (8, 25244950), (10, 20195960), (16, 12622475), (20, 10097980), (25, 8078384), (40, 5048990), (50, 4039192), (80, 2524495), (100, 2019596), (101, 1999600), (200, 1009798), (202, 999800), (400, 504899), (404, 499900), (505, 399920), (808, 249950), (1010, 199960), (1616, 124975), (2020, 99980), (2525, 79984), (4040, 49990), (4999, 40400), (5050, 39992), (8080, 24995), (9998, 20200), (10100, 19996)]