138914440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{496123}}^1$

素因数の和:496141

約数の個数: 32

約数和(自身を含む): 357209280

約数和(自身を除く): 218294840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 496123, 992246, 1984492, 2480615, 3472861, 3968984, 4961230, 6945722, 9922460, 13891444, 17364305, 19844920, 27782888, 34728610, 69457220, 138914440]

約数ペア:

[(1, 138914440), (2, 69457220), (4, 34728610), (5, 27782888), (7, 19844920), (8, 17364305), (10, 13891444), (14, 9922460), (20, 6945722), (28, 4961230), (35, 3968984), (40, 3472861), (56, 2480615), (70, 1984492), (140, 992246), (280, 496123)]