418040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1493}}^1$

素因数の和:1511

約数の個数: 32

約数和(自身を含む): 1075680

約数和(自身を除く): 657640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1493, 2986, 5972, 7465, 10451, 11944, 14930, 20902, 29860, 41804, 52255, 59720, 83608, 104510, 209020, 418040]

約数ペア:

[(1, 418040), (2, 209020), (4, 104510), (5, 83608), (7, 59720), (8, 52255), (10, 41804), (14, 29860), (20, 20902), (28, 14930), (35, 11944), (40, 10451), (56, 7465), (70, 5972), (140, 2986), (280, 1493)]