210814540

素因数分解:

$2^2\times 5^1\times {\mathrm{1999}}^1\times {\mathrm{5273}}^1$

素因数の和:7281

約数の個数: 24

約数和(自身を含む): 443016000

約数和(自身を除く): 232201460

約数列:

[1, 2, 4, 5, 10, 20, 1999, 3998, 5273, 7996, 9995, 10546, 19990, 21092, 26365, 39980, 52730, 105460, 10540727, 21081454, 42162908, 52703635, 105407270, 210814540]

約数ペア:

[(1, 210814540), (2, 105407270), (4, 52703635), (5, 42162908), (10, 21081454), (20, 10540727), (1999, 105460), (3998, 52730), (5273, 39980), (7996, 26365), (9995, 21092), (10546, 19990)]