66164420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2399}}^1$

素因数の和:2612

約数の個数: 48

約数和(自身を含む): 159667200

約数和(自身を除く): 93502780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2399, 2758, 3940, 4798, 5516, 6895, 9596, 11995, 13790, 16793, 23990, 27580, 33586, 47980, 67172, 83965, 167930, 335860, 472603, 945206, 1890412, 2363015, 3308221, 4726030, 6616442, 9452060, 13232884, 16541105, 33082210, 66164420]

約数ペア:

[(1, 66164420), (2, 33082210), (4, 16541105), (5, 13232884), (7, 9452060), (10, 6616442), (14, 4726030), (20, 3308221), (28, 2363015), (35, 1890412), (70, 945206), (140, 472603), (197, 335860), (394, 167930), (788, 83965), (985, 67172), (1379, 47980), (1970, 33586), (2399, 27580), (2758, 23990), (3940, 16793), (4798, 13790), (5516, 11995), (6895, 9596)]