19145000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{547}}^1$

素因数の和:580

約数の個数: 80

約数和(自身を含む): 51358560

約数和(自身を除く): 32213560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 547, 625, 700, 875, 1000, 1094, 1250, 1400, 1750, 2188, 2500, 2735, 3500, 3829, 4375, 4376, 5000, 5470, 7000, 7658, 8750, 10940, 13675, 15316, 17500, 19145, 21880, 27350, 30632, 35000, 38290, 54700, 68375, 76580, 95725, 109400, 136750, 153160, 191450, 273500, 341875, 382900, 478625, 547000, 683750, 765800, 957250, 1367500, 1914500, 2393125, 2735000, 3829000, 4786250, 9572500, 19145000]

約数ペア:

[(1, 19145000), (2, 9572500), (4, 4786250), (5, 3829000), (7, 2735000), (8, 2393125), (10, 1914500), (14, 1367500), (20, 957250), (25, 765800), (28, 683750), (35, 547000), (40, 478625), (50, 382900), (56, 341875), (70, 273500), (100, 191450), (125, 153160), (140, 136750), (175, 109400), (200, 95725), (250, 76580), (280, 68375), (350, 54700), (500, 38290), (547, 35000), (625, 30632), (700, 27350), (875, 21880), (1000, 19145), (1094, 17500), (1250, 15316), (1400, 13675), (1750, 10940), (2188, 8750), (2500, 7658), (2735, 7000), (3500, 5470), (3829, 5000), (4375, 4376)]