208067440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{371549}}^1$

素因数の和:371569

約数の個数: 40

約数和(自身を含む): 552866400

約数和(自身を除く): 344798960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 371549, 743098, 1486196, 1857745, 2600843, 2972392, 3715490, 5201686, 5944784, 7430980, 10403372, 13004215, 14861960, 20806744, 26008430, 29723920, 41613488, 52016860, 104033720, 208067440]

約数ペア:

[(1, 208067440), (2, 104033720), (4, 52016860), (5, 41613488), (7, 29723920), (8, 26008430), (10, 20806744), (14, 14861960), (16, 13004215), (20, 10403372), (28, 7430980), (35, 5944784), (40, 5201686), (56, 3715490), (70, 2972392), (80, 2600843), (112, 1857745), (140, 1486196), (280, 743098), (560, 371549)]