8577380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 20756736

約数和(自身を除く): 12179356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 311, 394, 622, 788, 985, 1244, 1379, 1555, 1970, 2177, 2758, 3110, 3940, 4354, 5516, 6220, 6895, 8708, 10885, 13790, 21770, 27580, 43540, 61267, 122534, 245068, 306335, 428869, 612670, 857738, 1225340, 1715476, 2144345, 4288690, 8577380]

約数ペア:

[(1, 8577380), (2, 4288690), (4, 2144345), (5, 1715476), (7, 1225340), (10, 857738), (14, 612670), (20, 428869), (28, 306335), (35, 245068), (70, 122534), (140, 61267), (197, 43540), (311, 27580), (394, 21770), (622, 13790), (788, 10885), (985, 8708), (1244, 6895), (1379, 6220), (1555, 5516), (1970, 4354), (2177, 3940), (2758, 3110)]