2017660820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{139921}}^1$

素因数の和:140040

約数の個数: 48

約数和(自身を含む): 4889434368

約数和(自身を除く): 2871773548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 7210, 14420, 139921, 279842, 559684, 699605, 979447, 1399210, 1958894, 2798420, 3917788, 4897235, 9794470, 14411863, 19588940, 28823726, 57647452, 72059315, 100883041, 144118630, 201766082, 288237260, 403532164, 504415205, 1008830410, 2017660820]

約数ペア:

[(1, 2017660820), (2, 1008830410), (4, 504415205), (5, 403532164), (7, 288237260), (10, 201766082), (14, 144118630), (20, 100883041), (28, 72059315), (35, 57647452), (70, 28823726), (103, 19588940), (140, 14411863), (206, 9794470), (412, 4897235), (515, 3917788), (721, 2798420), (1030, 1958894), (1442, 1399210), (2060, 979447), (2884, 699605), (3605, 559684), (7210, 279842), (14420, 139921)]