19984300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{28549}}^1$

素因数の和:28570

約数の個数: 36

約数和(自身を含む): 49562800

約数和(自身を除く): 29578500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 28549, 57098, 114196, 142745, 199843, 285490, 399686, 570980, 713725, 799372, 999215, 1427450, 1998430, 2854900, 3996860, 4996075, 9992150, 19984300]

約数ペア:

[(1, 19984300), (2, 9992150), (4, 4996075), (5, 3996860), (7, 2854900), (10, 1998430), (14, 1427450), (20, 999215), (25, 799372), (28, 713725), (35, 570980), (50, 399686), (70, 285490), (100, 199843), (140, 142745), (175, 114196), (350, 57098), (700, 28549)]