2181390400

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{194767}}^1$

素因数の和:194796

約数の個数: 84

約数和(自身を含む): 6134412928

約数和(自身を除く): 3953022528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 700, 800, 1120, 1400, 1600, 2240, 2800, 5600, 11200, 194767, 389534, 779068, 973835, 1363369, 1558136, 1947670, 2726738, 3116272, 3895340, 4869175, 5453476, 6232544, 6816845, 7790680, 9738350, 10906952, 12465088, 13633690, 15581360, 19476700, 21813904, 27267380, 31162720, 34084225, 38953400, 43627808, 54534760, 62325440, 68168450, 77906800, 87255616, 109069520, 136336900, 155813600, 218139040, 272673800, 311627200, 436278080, 545347600, 1090695200, 2181390400]

約数ペア:

[(1, 2181390400), (2, 1090695200), (4, 545347600), (5, 436278080), (7, 311627200), (8, 272673800), (10, 218139040), (14, 155813600), (16, 136336900), (20, 109069520), (25, 87255616), (28, 77906800), (32, 68168450), (35, 62325440), (40, 54534760), (50, 43627808), (56, 38953400), (64, 34084225), (70, 31162720), (80, 27267380), (100, 21813904), (112, 19476700), (140, 15581360), (160, 13633690), (175, 12465088), (200, 10906952), (224, 9738350), (280, 7790680), (320, 6816845), (350, 6232544), (400, 5453476), (448, 4869175), (560, 3895340), (700, 3116272), (800, 2726738), (1120, 1947670), (1400, 1558136), (1600, 1363369), (2240, 973835), (2800, 779068), (5600, 389534), (11200, 194767)]