204028720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{364337}}^1$

素因数の和:364357

約数の個数: 40

約数和(自身を含む): 542134944

約数和(自身を除く): 338106224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 364337, 728674, 1457348, 1821685, 2550359, 2914696, 3643370, 5100718, 5829392, 7286740, 10201436, 12751795, 14573480, 20402872, 25503590, 29146960, 40805744, 51007180, 102014360, 204028720]

約数ペア:

[(1, 204028720), (2, 102014360), (4, 51007180), (5, 40805744), (7, 29146960), (8, 25503590), (10, 20402872), (14, 14573480), (16, 12751795), (20, 10201436), (28, 7286740), (35, 5829392), (40, 5100718), (56, 3643370), (70, 2914696), (80, 2550359), (112, 1821685), (140, 1457348), (280, 728674), (560, 364337)]