71249080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{254461}}^1$

素因数の和:254479

約数の個数: 32

約数和(自身を含む): 183212640

約数和(自身を除く): 111963560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 254461, 508922, 1017844, 1272305, 1781227, 2035688, 2544610, 3562454, 5089220, 7124908, 8906135, 10178440, 14249816, 17812270, 35624540, 71249080]

約数ペア:

[(1, 71249080), (2, 35624540), (4, 17812270), (5, 14249816), (7, 10178440), (8, 8906135), (10, 7124908), (14, 5089220), (20, 3562454), (28, 2544610), (35, 2035688), (40, 1781227), (56, 1272305), (70, 1017844), (140, 508922), (280, 254461)]