140656672

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:906

約数の個数: 72

約数和(自身を含む): 309899520

約数和(自身を除く): 169242848

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 169, 208, 248, 338, 403, 416, 496, 676, 806, 839, 992, 1352, 1612, 1678, 2704, 3224, 3356, 5239, 5408, 6448, 6712, 10478, 10907, 12896, 13424, 20956, 21814, 26009, 26848, 41912, 43628, 52018, 83824, 87256, 104036, 141791, 167648, 174512, 208072, 283582, 338117, 349024, 416144, 567164, 676234, 832288, 1134328, 1352468, 2268656, 2704936, 4395521, 4537312, 5409872, 8791042, 10819744, 17582084, 35164168, 70328336, 140656672]

約数ペア:

[(1, 140656672), (2, 70328336), (4, 35164168), (8, 17582084), (13, 10819744), (16, 8791042), (26, 5409872), (31, 4537312), (32, 4395521), (52, 2704936), (62, 2268656), (104, 1352468), (124, 1134328), (169, 832288), (208, 676234), (248, 567164), (338, 416144), (403, 349024), (416, 338117), (496, 283582), (676, 208072), (806, 174512), (839, 167648), (992, 141791), (1352, 104036), (1612, 87256), (1678, 83824), (2704, 52018), (3224, 43628), (3356, 41912), (5239, 26848), (5408, 26009), (6448, 21814), (6712, 20956), (10478, 13424), (10907, 12896)]