208676720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{372637}}^1$

素因数の和:372657

約数の個数: 40

約数和(自身を含む): 554485344

約数和(自身を除く): 345808624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 372637, 745274, 1490548, 1863185, 2608459, 2981096, 3726370, 5216918, 5962192, 7452740, 10433836, 13042295, 14905480, 20867672, 26084590, 29810960, 41735344, 52169180, 104338360, 208676720]

約数ペア:

[(1, 208676720), (2, 104338360), (4, 52169180), (5, 41735344), (7, 29810960), (8, 26084590), (10, 20867672), (14, 14905480), (16, 13042295), (20, 10433836), (28, 7452740), (35, 5962192), (40, 5216918), (56, 3726370), (70, 2981096), (80, 2608459), (112, 1863185), (140, 1490548), (280, 745274), (560, 372637)]