137873820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{328271}}^1$

素因数の和:328290

約数の個数: 48

約数和(自身を含む): 441197568

約数和(自身を除く): 303323748

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, 328271, 656542, 984813, 1313084, 1641355, 1969626, 2297897, 3282710, 3939252, 4595794, 4924065, 6565420, 6893691, 9191588, 9848130, 11489485, 13787382, 19696260, 22978970, 27574764, 34468455, 45957940, 68936910, 137873820]

約数ペア:

[(1, 137873820), (2, 68936910), (3, 45957940), (4, 34468455), (5, 27574764), (6, 22978970), (7, 19696260), (10, 13787382), (12, 11489485), (14, 9848130), (15, 9191588), (20, 6893691), (21, 6565420), (28, 4924065), (30, 4595794), (35, 3939252), (42, 3282710), (60, 2297897), (70, 1969626), (84, 1641355), (105, 1313084), (140, 984813), (210, 656542), (420, 328271)]