57889720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{206749}}^1$

素因数の和:206767

約数の個数: 32

約数和(自身を含む): 148860000

約数和(自身を除く): 90970280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 206749, 413498, 826996, 1033745, 1447243, 1653992, 2067490, 2894486, 4134980, 5788972, 7236215, 8269960, 11577944, 14472430, 28944860, 57889720]

約数ペア:

[(1, 57889720), (2, 28944860), (4, 14472430), (5, 11577944), (7, 8269960), (8, 7236215), (10, 5788972), (14, 4134980), (20, 2894486), (28, 2067490), (35, 1653992), (40, 1447243), (56, 1033745), (70, 826996), (140, 413498), (280, 206749)]