107142020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{677}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 232022448

約数和(自身を除く): 124880428

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 193, 205, 386, 410, 677, 772, 820, 965, 1354, 1930, 2708, 3385, 3860, 6770, 7913, 13540, 15826, 27757, 31652, 39565, 55514, 79130, 111028, 130661, 138785, 158260, 261322, 277570, 522644, 555140, 653305, 1306610, 2613220, 5357101, 10714202, 21428404, 26785505, 53571010, 107142020]

約数ペア:

[(1, 107142020), (2, 53571010), (4, 26785505), (5, 21428404), (10, 10714202), (20, 5357101), (41, 2613220), (82, 1306610), (164, 653305), (193, 555140), (205, 522644), (386, 277570), (410, 261322), (677, 158260), (772, 138785), (820, 130661), (965, 111028), (1354, 79130), (1930, 55514), (2708, 39565), (3385, 31652), (3860, 27757), (6770, 15826), (7913, 13540)]