3798100

素因数分解:

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

素因数の和:2032

約数の個数: 36

約数和(自身を含む): 8680000

約数和(自身を除く): 4881900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 1999, 3998, 7996, 9995, 19990, 37981, 39980, 49975, 75962, 99950, 151924, 189905, 199900, 379810, 759620, 949525, 1899050, 3798100]

約数ペア:

[(1, 3798100), (2, 1899050), (4, 949525), (5, 759620), (10, 379810), (19, 199900), (20, 189905), (25, 151924), (38, 99950), (50, 75962), (76, 49975), (95, 39980), (100, 37981), (190, 19990), (380, 9995), (475, 7996), (950, 3998), (1900, 1999)]