4177910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2036

約数の個数: 32

約数和(自身を含む): 8640000

約数和(自身を除く): 4462090

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 1999, 2090, 3998, 9995, 19990, 21989, 37981, 43978, 75962, 109945, 189905, 219890, 379810, 417791, 835582, 2088955, 4177910]

約数ペア:

[(1, 4177910), (2, 2088955), (5, 835582), (10, 417791), (11, 379810), (19, 219890), (22, 189905), (38, 109945), (55, 75962), (95, 43978), (110, 37981), (190, 21989), (209, 19990), (418, 9995), (1045, 3998), (1999, 2090)]