2209640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1493}}^1$

素因数の和:1541

約数の個数: 32

約数和(自身を含む): 5109480

約数和(自身を除く): 2899840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 1493, 2986, 5972, 7465, 11944, 14930, 29860, 55241, 59720, 110482, 220964, 276205, 441928, 552410, 1104820, 2209640]

約数ペア:

[(1, 2209640), (2, 1104820), (4, 552410), (5, 441928), (8, 276205), (10, 220964), (20, 110482), (37, 59720), (40, 55241), (74, 29860), (148, 14930), (185, 11944), (296, 7465), (370, 5972), (740, 2986), (1480, 1493)]