1258040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4493}}^1$

素因数の和:4511

約数の個数: 32

約数和(自身を含む): 3235680

約数和(自身を除く): 1977640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4493, 8986, 17972, 22465, 31451, 35944, 44930, 62902, 89860, 125804, 157255, 179720, 251608, 314510, 629020, 1258040]

約数ペア:

[(1, 1258040), (2, 629020), (4, 314510), (5, 251608), (7, 179720), (8, 157255), (10, 125804), (14, 89860), (20, 62902), (28, 44930), (35, 35944), (40, 31451), (56, 22465), (70, 17972), (140, 8986), (280, 4493)]