15192400

素因数分解:

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

素因数の和:2036

約数の個数: 60

約数和(自身を含む): 38440000

約数和(自身を除く): 23247600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 1999, 3800, 3998, 7600, 7996, 9995, 15992, 19990, 31984, 37981, 39980, 49975, 75962, 79960, 99950, 151924, 159920, 189905, 199900, 303848, 379810, 399800, 607696, 759620, 799600, 949525, 1519240, 1899050, 3038480, 3798100, 7596200, 15192400]

約数ペア:

[(1, 15192400), (2, 7596200), (4, 3798100), (5, 3038480), (8, 1899050), (10, 1519240), (16, 949525), (19, 799600), (20, 759620), (25, 607696), (38, 399800), (40, 379810), (50, 303848), (76, 199900), (80, 189905), (95, 159920), (100, 151924), (152, 99950), (190, 79960), (200, 75962), (304, 49975), (380, 39980), (400, 37981), (475, 31984), (760, 19990), (950, 15992), (1520, 9995), (1900, 7996), (1999, 7600), (3800, 3998)]