2658670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2032

約数の個数: 32

約数和(自身を含む): 5760000

約数和(自身を除く): 3101330

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 1999, 3998, 9995, 13993, 19990, 27986, 37981, 69965, 75962, 139930, 189905, 265867, 379810, 531734, 1329335, 2658670]

約数ペア:

[(1, 2658670), (2, 1329335), (5, 531734), (7, 379810), (10, 265867), (14, 189905), (19, 139930), (35, 75962), (38, 69965), (70, 37981), (95, 27986), (133, 19990), (190, 13993), (266, 9995), (665, 3998), (1330, 1999)]