4272800

素因数分解:

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

素因数の和:143

約数の個数: 108

約数和(自身を含む): 12245310

約数和(自身を除く): 7972510

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 109, 112, 140, 160, 175, 196, 200, 218, 224, 245, 280, 350, 392, 400, 436, 490, 545, 560, 700, 763, 784, 800, 872, 980, 1090, 1120, 1225, 1400, 1526, 1568, 1744, 1960, 2180, 2450, 2725, 2800, 3052, 3488, 3815, 3920, 4360, 4900, 5341, 5450, 5600, 6104, 7630, 7840, 8720, 9800, 10682, 10900, 12208, 15260, 17440, 19075, 19600, 21364, 21800, 24416, 26705, 30520, 38150, 39200, 42728, 43600, 53410, 61040, 76300, 85456, 87200, 106820, 122080, 133525, 152600, 170912, 213640, 267050, 305200, 427280, 534100, 610400, 854560, 1068200, 2136400, 4272800]

約数ペア:

[(1, 4272800), (2, 2136400), (4, 1068200), (5, 854560), (7, 610400), (8, 534100), (10, 427280), (14, 305200), (16, 267050), (20, 213640), (25, 170912), (28, 152600), (32, 133525), (35, 122080), (40, 106820), (49, 87200), (50, 85456), (56, 76300), (70, 61040), (80, 53410), (98, 43600), (100, 42728), (109, 39200), (112, 38150), (140, 30520), (160, 26705), (175, 24416), (196, 21800), (200, 21364), (218, 19600), (224, 19075), (245, 17440), (280, 15260), (350, 12208), (392, 10900), (400, 10682), (436, 9800), (490, 8720), (545, 7840), (560, 7630), (700, 6104), (763, 5600), (784, 5450), (800, 5341), (872, 4900), (980, 4360), (1090, 3920), (1120, 3815), (1225, 3488), (1400, 3052), (1526, 2800), (1568, 2725), (1744, 2450), (1960, 2180)]