30397480

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1493}}^1$

素因数の和:2013

約数の個数: 32

約数和(自身を含む): 68574600

約数和(自身を除く): 38177120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 1493, 2036, 2545, 2986, 4072, 5090, 5972, 7465, 10180, 11944, 14930, 20360, 29860, 59720, 759937, 1519874, 3039748, 3799685, 6079496, 7599370, 15198740, 30397480]

約数ペア:

[(1, 30397480), (2, 15198740), (4, 7599370), (5, 6079496), (8, 3799685), (10, 3039748), (20, 1519874), (40, 759937), (509, 59720), (1018, 29860), (1493, 20360), (2036, 14930), (2545, 11944), (2986, 10180), (4072, 7465), (5090, 5972)]