138511380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{329789}}^1$

素因数の和:329808

約数の個数: 48

約数和(自身を含む): 443237760

約数和(自身を除く): 304726380

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, 329789, 659578, 989367, 1319156, 1648945, 1978734, 2308523, 3297890, 3957468, 4617046, 4946835, 6595780, 6925569, 9234092, 9893670, 11542615, 13851138, 19787340, 23085230, 27702276, 34627845, 46170460, 69255690, 138511380]

約数ペア:

[(1, 138511380), (2, 69255690), (3, 46170460), (4, 34627845), (5, 27702276), (6, 23085230), (7, 19787340), (10, 13851138), (12, 11542615), (14, 9893670), (15, 9234092), (20, 6925569), (21, 6595780), (28, 4946835), (30, 4617046), (35, 3957468), (42, 3297890), (60, 2308523), (70, 1978734), (84, 1648945), (105, 1319156), (140, 989367), (210, 659578), (420, 329789)]