199082020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{1597}}^1$

素因数の和:1900

約数の個数: 48

約数和(自身を含む): 438133248

約数和(自身を除く): 239051228

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 271, 460, 542, 1084, 1355, 1597, 2710, 3194, 5420, 6233, 6388, 7985, 12466, 15970, 24932, 31165, 31940, 36731, 62330, 73462, 124660, 146924, 183655, 367310, 432787, 734620, 865574, 1731148, 2163935, 4327870, 8655740, 9954101, 19908202, 39816404, 49770505, 99541010, 199082020]

約数ペア:

[(1, 199082020), (2, 99541010), (4, 49770505), (5, 39816404), (10, 19908202), (20, 9954101), (23, 8655740), (46, 4327870), (92, 2163935), (115, 1731148), (230, 865574), (271, 734620), (460, 432787), (542, 367310), (1084, 183655), (1355, 146924), (1597, 124660), (2710, 73462), (3194, 62330), (5420, 36731), (6233, 31940), (6388, 31165), (7985, 24932), (12466, 15970)]