208049900

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{20599}}^1$

素因数の和:20714

約数の個数: 36

約数和(自身を含む): 455960400

約数和(自身を除く): 247910500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 202, 404, 505, 1010, 2020, 2525, 5050, 10100, 20599, 41198, 82396, 102995, 205990, 411980, 514975, 1029950, 2059900, 2080499, 4160998, 8321996, 10402495, 20804990, 41609980, 52012475, 104024950, 208049900]

約数ペア:

[(1, 208049900), (2, 104024950), (4, 52012475), (5, 41609980), (10, 20804990), (20, 10402495), (25, 8321996), (50, 4160998), (100, 2080499), (101, 2059900), (202, 1029950), (404, 514975), (505, 411980), (1010, 205990), (2020, 102995), (2525, 82396), (5050, 41198), (10100, 20599)]