142954980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{340369}}^1$

素因数の和:340388

約数の個数: 48

約数和(自身を含む): 457457280

約数和(自身を除く): 314502300

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, 340369, 680738, 1021107, 1361476, 1701845, 2042214, 2382583, 3403690, 4084428, 4765166, 5105535, 6807380, 7147749, 9530332, 10211070, 11912915, 14295498, 20422140, 23825830, 28590996, 35738745, 47651660, 71477490, 142954980]

約数ペア:

[(1, 142954980), (2, 71477490), (3, 47651660), (4, 35738745), (5, 28590996), (6, 23825830), (7, 20422140), (10, 14295498), (12, 11912915), (14, 10211070), (15, 9530332), (20, 7147749), (21, 6807380), (28, 5105535), (30, 4765166), (35, 4084428), (42, 3403690), (60, 2382583), (70, 2042214), (84, 1701845), (105, 1361476), (140, 1021107), (210, 680738), (420, 340369)]