30405128

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 63288720

約数和(自身を除く): 32883592

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 169, 172, 338, 344, 523, 559, 676, 1046, 1118, 1352, 2092, 2236, 4184, 4472, 6799, 7267, 13598, 14534, 22489, 27196, 29068, 44978, 54392, 58136, 88387, 89956, 176774, 179912, 292357, 353548, 584714, 707096, 1169428, 2338856, 3800641, 7601282, 15202564, 30405128]

約数ペア:

[(1, 30405128), (2, 15202564), (4, 7601282), (8, 3800641), (13, 2338856), (26, 1169428), (43, 707096), (52, 584714), (86, 353548), (104, 292357), (169, 179912), (172, 176774), (338, 89956), (344, 88387), (523, 58136), (559, 54392), (676, 44978), (1046, 29068), (1118, 27196), (1352, 22489), (2092, 14534), (2236, 13598), (4184, 7267), (4472, 6799)]