208839700

素因数分解:

$2^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{10601}}^1$

素因数の和:10812

約数の個数: 36

約数和(自身を含む): 455525532

約数和(自身を除く): 246685832

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 197, 394, 788, 985, 1970, 3940, 4925, 9850, 10601, 19700, 21202, 42404, 53005, 106010, 212020, 265025, 530050, 1060100, 2088397, 4176794, 8353588, 10441985, 20883970, 41767940, 52209925, 104419850, 208839700]

約数ペア:

[(1, 208839700), (2, 104419850), (4, 52209925), (5, 41767940), (10, 20883970), (20, 10441985), (25, 8353588), (50, 4176794), (100, 2088397), (197, 1060100), (394, 530050), (788, 265025), (985, 212020), (1970, 106010), (3940, 53005), (4925, 42404), (9850, 21202), (10601, 19700)]