1519240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2029

約数の個数: 32

約数和(自身を含む): 3600000

約数和(自身を除く): 2080760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1999, 3998, 7996, 9995, 15992, 19990, 37981, 39980, 75962, 79960, 151924, 189905, 303848, 379810, 759620, 1519240]

約数ペア:

[(1, 1519240), (2, 759620), (4, 379810), (5, 303848), (8, 189905), (10, 151924), (19, 79960), (20, 75962), (38, 39980), (40, 37981), (76, 19990), (95, 15992), (152, 9995), (190, 7996), (380, 3998), (760, 1999)]