2990820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{7121}}^1$

素因数の和:7140

約数の個数: 48

約数和(自身を含む): 9571968

約数和(自身を除く): 6581148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 7121, 14242, 21363, 28484, 35605, 42726, 49847, 71210, 85452, 99694, 106815, 142420, 149541, 199388, 213630, 249235, 299082, 427260, 498470, 598164, 747705, 996940, 1495410, 2990820]

約数ペア:

[(1, 2990820), (2, 1495410), (3, 996940), (4, 747705), (5, 598164), (6, 498470), (7, 427260), (10, 299082), (12, 249235), (14, 213630), (15, 199388), (20, 149541), (21, 142420), (28, 106815), (30, 99694), (35, 85452), (42, 71210), (60, 49847), (70, 42726), (84, 35605), (105, 28484), (140, 21363), (210, 14242), (420, 7121)]