2123524390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{367}}^1\times {\mathrm{947}}^1$

素因数の和:1381

約数の個数: 64

約数和(自身を含む): 4219858944

約数和(自身を除く): 2096334554

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 367, 470, 611, 734, 947, 1222, 1835, 1894, 3055, 3670, 4735, 4771, 6110, 9470, 9542, 12311, 17249, 23855, 24622, 34498, 44509, 47710, 61555, 86245, 89018, 123110, 172490, 222545, 224237, 347549, 445090, 448474, 578617, 695098, 1121185, 1157234, 1737745, 2242370, 2893085, 3475490, 4518137, 5786170, 9036274, 16334803, 22590685, 32669606, 45181370, 81674015, 163348030, 212352439, 424704878, 1061762195, 2123524390]

約数ペア:

[(1, 2123524390), (2, 1061762195), (5, 424704878), (10, 212352439), (13, 163348030), (26, 81674015), (47, 45181370), (65, 32669606), (94, 22590685), (130, 16334803), (235, 9036274), (367, 5786170), (470, 4518137), (611, 3475490), (734, 2893085), (947, 2242370), (1222, 1737745), (1835, 1157234), (1894, 1121185), (3055, 695098), (3670, 578617), (4735, 448474), (4771, 445090), (6110, 347549), (9470, 224237), (9542, 222545), (12311, 172490), (17249, 123110), (23855, 89018), (24622, 86245), (34498, 61555), (44509, 47710)]