140920448

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{317}}^1$

素因数の和:505

約数の個数: 64

約数和(自身を含む): 295816320

約数和(自身を除く): 154895872

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 151, 184, 302, 317, 368, 604, 634, 736, 1208, 1268, 1472, 2416, 2536, 2944, 3473, 4832, 5072, 6946, 7291, 9664, 10144, 13892, 14582, 19328, 20288, 27784, 29164, 40576, 47867, 55568, 58328, 95734, 111136, 116656, 191468, 222272, 233312, 382936, 444544, 466624, 765872, 933248, 1100941, 1531744, 2201882, 3063488, 4403764, 6126976, 8807528, 17615056, 35230112, 70460224, 140920448]

約数ペア:

[(1, 140920448), (2, 70460224), (4, 35230112), (8, 17615056), (16, 8807528), (23, 6126976), (32, 4403764), (46, 3063488), (64, 2201882), (92, 1531744), (128, 1100941), (151, 933248), (184, 765872), (302, 466624), (317, 444544), (368, 382936), (604, 233312), (634, 222272), (736, 191468), (1208, 116656), (1268, 111136), (1472, 95734), (2416, 58328), (2536, 55568), (2944, 47867), (3473, 40576), (4832, 29164), (5072, 27784), (6946, 20288), (7291, 19328), (9664, 14582), (10144, 13892)]