3038480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2031

約数の個数: 40

約数和(自身を含む): 7440000

約数和(自身を除く): 4401520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1999, 3998, 7996, 9995, 15992, 19990, 31984, 37981, 39980, 75962, 79960, 151924, 159920, 189905, 303848, 379810, 607696, 759620, 1519240, 3038480]

約数ペア:

[(1, 3038480), (2, 1519240), (4, 759620), (5, 607696), (8, 379810), (10, 303848), (16, 189905), (19, 159920), (20, 151924), (38, 79960), (40, 75962), (76, 39980), (80, 37981), (95, 31984), (152, 19990), (190, 15992), (304, 9995), (380, 7996), (760, 3998), (1520, 1999)]