196617820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{7129}}^1$

素因数の和:7342

約数の個数: 48

約数和(自身を含む): 474344640

約数和(自身を除く): 277726820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2758, 3940, 5516, 6895, 7129, 13790, 14258, 27580, 28516, 35645, 49903, 71290, 99806, 142580, 199612, 249515, 499030, 998060, 1404413, 2808826, 5617652, 7022065, 9830891, 14044130, 19661782, 28088260, 39323564, 49154455, 98308910, 196617820]

約数ペア:

[(1, 196617820), (2, 98308910), (4, 49154455), (5, 39323564), (7, 28088260), (10, 19661782), (14, 14044130), (20, 9830891), (28, 7022065), (35, 5617652), (70, 2808826), (140, 1404413), (197, 998060), (394, 499030), (788, 249515), (985, 199612), (1379, 142580), (1970, 99806), (2758, 71290), (3940, 49903), (5516, 35645), (6895, 28516), (7129, 27580), (13790, 14258)]