199946560

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1321}}^1$

素因数の和:1392

約数の個数: 112

約数和(自身を含む): 531888192

約数和(自身を除く): 331941632

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 64, 80, 86, 88, 110, 160, 172, 176, 215, 220, 320, 344, 352, 430, 440, 473, 688, 704, 860, 880, 946, 1321, 1376, 1720, 1760, 1892, 2365, 2642, 2752, 3440, 3520, 3784, 4730, 5284, 6605, 6880, 7568, 9460, 10568, 13210, 13760, 14531, 15136, 18920, 21136, 26420, 29062, 30272, 37840, 42272, 52840, 56803, 58124, 72655, 75680, 84544, 105680, 113606, 116248, 145310, 151360, 211360, 227212, 232496, 284015, 290620, 422720, 454424, 464992, 568030, 581240, 624833, 908848, 929984, 1136060, 1162480, 1249666, 1817696, 2272120, 2324960, 2499332, 3124165, 3635392, 4544240, 4649920, 4998664, 6248330, 9088480, 9997328, 12496660, 18176960, 19994656, 24993320, 39989312, 49986640, 99973280, 199946560]

約数ペア:

[(1, 199946560), (2, 99973280), (4, 49986640), (5, 39989312), (8, 24993320), (10, 19994656), (11, 18176960), (16, 12496660), (20, 9997328), (22, 9088480), (32, 6248330), (40, 4998664), (43, 4649920), (44, 4544240), (55, 3635392), (64, 3124165), (80, 2499332), (86, 2324960), (88, 2272120), (110, 1817696), (160, 1249666), (172, 1162480), (176, 1136060), (215, 929984), (220, 908848), (320, 624833), (344, 581240), (352, 568030), (430, 464992), (440, 454424), (473, 422720), (688, 290620), (704, 284015), (860, 232496), (880, 227212), (946, 211360), (1321, 151360), (1376, 145310), (1720, 116248), (1760, 113606), (1892, 105680), (2365, 84544), (2642, 75680), (2752, 72655), (3440, 58124), (3520, 56803), (3784, 52840), (4730, 42272), (5284, 37840), (6605, 30272), (6880, 29062), (7568, 26420), (9460, 21136), (10568, 18920), (13210, 15136), (13760, 14531)]