2166500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{619}}^1$

素因数の和:645

約数の個数: 48

約数和(自身を含む): 5416320

約数和(自身を除く): 3249820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 619, 700, 875, 1238, 1750, 2476, 3095, 3500, 4333, 6190, 8666, 12380, 15475, 17332, 21665, 30950, 43330, 61900, 77375, 86660, 108325, 154750, 216650, 309500, 433300, 541625, 1083250, 2166500]

約数ペア:

[(1, 2166500), (2, 1083250), (4, 541625), (5, 433300), (7, 309500), (10, 216650), (14, 154750), (20, 108325), (25, 86660), (28, 77375), (35, 61900), (50, 43330), (70, 30950), (100, 21665), (125, 17332), (140, 15475), (175, 12380), (250, 8666), (350, 6190), (500, 4333), (619, 3500), (700, 3095), (875, 2476), (1238, 1750)]