778827740

素因数分解:

$2^2\times 5^1\times {\mathrm{2741}}^1\times {\mathrm{14207}}^1$

素因数の和:16957

約数の個数: 24

約数和(自身を含む): 1636250112

約数和(自身を除く): 857422372

約数列:

[1, 2, 4, 5, 10, 20, 2741, 5482, 10964, 13705, 14207, 27410, 28414, 54820, 56828, 71035, 142070, 284140, 38941387, 77882774, 155765548, 194706935, 389413870, 778827740]

約数ペア:

[(1, 778827740), (2, 389413870), (4, 194706935), (5, 155765548), (10, 77882774), (20, 38941387), (2741, 284140), (5482, 142070), (10964, 71035), (13705, 56828), (14207, 54820), (27410, 28414)]