142966740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{340397}}^1$

素因数の和:340416

約数の個数: 48

約数和(自身を含む): 457494912

約数和(自身を除く): 314528172

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, 340397, 680794, 1021191, 1361588, 1701985, 2042382, 2382779, 3403970, 4084764, 4765558, 5105955, 6807940, 7148337, 9531116, 10211910, 11913895, 14296674, 20423820, 23827790, 28593348, 35741685, 47655580, 71483370, 142966740]

約数ペア:

[(1, 142966740), (2, 71483370), (3, 47655580), (4, 35741685), (5, 28593348), (6, 23827790), (7, 20423820), (10, 14296674), (12, 11913895), (14, 10211910), (15, 9531116), (20, 7148337), (21, 6807940), (28, 5105955), (30, 4765558), (35, 4084764), (42, 3403970), (60, 2382779), (70, 2042382), (84, 1701985), (105, 1361588), (140, 1021191), (210, 680794), (420, 340397)]