1990917552

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{40387}}^1$

素因数の和:40490

約数の個数: 80

約数和(自身を含む): 5609085440

約数和(自身を除く): 3618167888

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 79, 104, 156, 158, 208, 237, 312, 316, 474, 624, 632, 948, 1027, 1264, 1896, 2054, 3081, 3792, 4108, 6162, 8216, 12324, 16432, 24648, 40387, 49296, 80774, 121161, 161548, 242322, 323096, 484644, 525031, 646192, 969288, 1050062, 1575093, 1938576, 2100124, 3150186, 3190573, 4200248, 6300372, 6381146, 8400496, 9571719, 12600744, 12762292, 19143438, 25201488, 25524584, 38286876, 41477449, 51049168, 76573752, 82954898, 124432347, 153147504, 165909796, 248864694, 331819592, 497729388, 663639184, 995458776, 1990917552]

約数ペア:

[(1, 1990917552), (2, 995458776), (3, 663639184), (4, 497729388), (6, 331819592), (8, 248864694), (12, 165909796), (13, 153147504), (16, 124432347), (24, 82954898), (26, 76573752), (39, 51049168), (48, 41477449), (52, 38286876), (78, 25524584), (79, 25201488), (104, 19143438), (156, 12762292), (158, 12600744), (208, 9571719), (237, 8400496), (312, 6381146), (316, 6300372), (474, 4200248), (624, 3190573), (632, 3150186), (948, 2100124), (1027, 1938576), (1264, 1575093), (1896, 1050062), (2054, 969288), (3081, 646192), (3792, 525031), (4108, 484644), (6162, 323096), (8216, 242322), (12324, 161548), (16432, 121161), (24648, 80774), (40387, 49296)]