138655020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{330131}}^1$

素因数の和:330150

約数の個数: 48

約数和(自身を含む): 443697408

約数和(自身を除く): 305042388

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, 330131, 660262, 990393, 1320524, 1650655, 1980786, 2310917, 3301310, 3961572, 4621834, 4951965, 6602620, 6932751, 9243668, 9903930, 11554585, 13865502, 19807860, 23109170, 27731004, 34663755, 46218340, 69327510, 138655020]

約数ペア:

[(1, 138655020), (2, 69327510), (3, 46218340), (4, 34663755), (5, 27731004), (6, 23109170), (7, 19807860), (10, 13865502), (12, 11554585), (14, 9903930), (15, 9243668), (20, 6932751), (21, 6602620), (28, 4951965), (30, 4621834), (35, 3961572), (42, 3301310), (60, 2310917), (70, 1980786), (84, 1650655), (105, 1320524), (140, 990393), (210, 660262), (420, 330131)]