9948500

素因数分解:

$2^2\times 5^3\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:317

約数の個数: 48

約数和(自身を含む): 22054032

約数和(自身を除く): 12105532

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 125, 197, 202, 250, 394, 404, 500, 505, 788, 985, 1010, 1970, 2020, 2525, 3940, 4925, 5050, 9850, 10100, 12625, 19700, 19897, 24625, 25250, 39794, 49250, 50500, 79588, 98500, 99485, 198970, 397940, 497425, 994850, 1989700, 2487125, 4974250, 9948500]

約数ペア:

[(1, 9948500), (2, 4974250), (4, 2487125), (5, 1989700), (10, 994850), (20, 497425), (25, 397940), (50, 198970), (100, 99485), (101, 98500), (125, 79588), (197, 50500), (202, 49250), (250, 39794), (394, 25250), (404, 24625), (500, 19897), (505, 19700), (788, 12625), (985, 10100), (1010, 9850), (1970, 5050), (2020, 4925), (2525, 3940)]