2136400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{109}}^1$

素因数の和:141

約数の個数: 90

約数和(自身を含む): 6025470

約数和(自身を除く): 3889070

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 109, 112, 140, 175, 196, 200, 218, 245, 280, 350, 392, 400, 436, 490, 545, 560, 700, 763, 784, 872, 980, 1090, 1225, 1400, 1526, 1744, 1960, 2180, 2450, 2725, 2800, 3052, 3815, 3920, 4360, 4900, 5341, 5450, 6104, 7630, 8720, 9800, 10682, 10900, 12208, 15260, 19075, 19600, 21364, 21800, 26705, 30520, 38150, 42728, 43600, 53410, 61040, 76300, 85456, 106820, 133525, 152600, 213640, 267050, 305200, 427280, 534100, 1068200, 2136400]

約数ペア:

[(1, 2136400), (2, 1068200), (4, 534100), (5, 427280), (7, 305200), (8, 267050), (10, 213640), (14, 152600), (16, 133525), (20, 106820), (25, 85456), (28, 76300), (35, 61040), (40, 53410), (49, 43600), (50, 42728), (56, 38150), (70, 30520), (80, 26705), (98, 21800), (100, 21364), (109, 19600), (112, 19075), (140, 15260), (175, 12208), (196, 10900), (200, 10682), (218, 9800), (245, 8720), (280, 7630), (350, 6104), (392, 5450), (400, 5341), (436, 4900), (490, 4360), (545, 3920), (560, 3815), (700, 3052), (763, 2800), (784, 2725), (872, 2450), (980, 2180), (1090, 1960), (1225, 1744), (1400, 1526)]