180389020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{1277}}^1$

素因数の和:2302

約数の個数: 48

約数和(自身を含む): 433702080

約数和(自身を除く): 253313060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1009, 1277, 2018, 2554, 4036, 5045, 5108, 6385, 7063, 8939, 10090, 12770, 14126, 17878, 20180, 25540, 28252, 35315, 35756, 44695, 70630, 89390, 141260, 178780, 1288493, 2576986, 5153972, 6442465, 9019451, 12884930, 18038902, 25769860, 36077804, 45097255, 90194510, 180389020]

約数ペア:

[(1, 180389020), (2, 90194510), (4, 45097255), (5, 36077804), (7, 25769860), (10, 18038902), (14, 12884930), (20, 9019451), (28, 6442465), (35, 5153972), (70, 2576986), (140, 1288493), (1009, 178780), (1277, 141260), (2018, 89390), (2554, 70630), (4036, 44695), (5045, 35756), (5108, 35315), (6385, 28252), (7063, 25540), (8939, 20180), (10090, 17878), (12770, 14126)]