2099968420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{577}}^1$

素因数の和:901

約数の個数: 96

約数和(自身を含む): 4908024576

約数和(自身を除く): 2808056156

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 233, 284, 355, 466, 577, 710, 781, 932, 1154, 1165, 1420, 1562, 2308, 2330, 2563, 2885, 3124, 3905, 4660, 5126, 5770, 6347, 7810, 10252, 11540, 12694, 12815, 15620, 16543, 25388, 25630, 31735, 33086, 40967, 51260, 63470, 66172, 81934, 82715, 126940, 134441, 163868, 165430, 181973, 204835, 268882, 330860, 363946, 409670, 450637, 537764, 672205, 727892, 819340, 901274, 909865, 1344410, 1478851, 1802548, 1819730, 2253185, 2688820, 2957702, 3639460, 4506370, 5915404, 7394255, 9012740, 9545311, 14788510, 19090622, 29577020, 38181244, 47726555, 95453110, 104998421, 190906220, 209996842, 419993684, 524992105, 1049984210, 2099968420]

約数ペア:

[(1, 2099968420), (2, 1049984210), (4, 524992105), (5, 419993684), (10, 209996842), (11, 190906220), (20, 104998421), (22, 95453110), (44, 47726555), (55, 38181244), (71, 29577020), (110, 19090622), (142, 14788510), (220, 9545311), (233, 9012740), (284, 7394255), (355, 5915404), (466, 4506370), (577, 3639460), (710, 2957702), (781, 2688820), (932, 2253185), (1154, 1819730), (1165, 1802548), (1420, 1478851), (1562, 1344410), (2308, 909865), (2330, 901274), (2563, 819340), (2885, 727892), (3124, 672205), (3905, 537764), (4660, 450637), (5126, 409670), (5770, 363946), (6347, 330860), (7810, 268882), (10252, 204835), (11540, 181973), (12694, 165430), (12815, 163868), (15620, 134441), (16543, 126940), (25388, 82715), (25630, 81934), (31735, 66172), (33086, 63470), (40967, 51260)]