207900980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{28019}}^1$

素因数の和:28088

約数の個数: 48

約数和(自身を含む): 508394880

約数和(自身を除く): 300493900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 28019, 56038, 112076, 140095, 196133, 280190, 392266, 560380, 784532, 980665, 1485007, 1961330, 2970014, 3922660, 5940028, 7425035, 10395049, 14850070, 20790098, 29700140, 41580196, 51975245, 103950490, 207900980]

約数ペア:

[(1, 207900980), (2, 103950490), (4, 51975245), (5, 41580196), (7, 29700140), (10, 20790098), (14, 14850070), (20, 10395049), (28, 7425035), (35, 5940028), (53, 3922660), (70, 2970014), (106, 1961330), (140, 1485007), (212, 980665), (265, 784532), (371, 560380), (530, 392266), (742, 280190), (1060, 196133), (1484, 140095), (1855, 112076), (3710, 56038), (7420, 28019)]