280701568

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:354

約数の個数: 128

約数和(自身を含む): 682110720

約数和(自身を除く): 401409152

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 53, 56, 64, 92, 106, 112, 128, 161, 184, 212, 224, 257, 322, 368, 371, 424, 448, 514, 644, 736, 742, 848, 896, 1028, 1219, 1288, 1472, 1484, 1696, 1799, 2056, 2438, 2576, 2944, 2968, 3392, 3598, 4112, 4876, 5152, 5911, 5936, 6784, 7196, 8224, 8533, 9752, 10304, 11822, 11872, 13621, 14392, 16448, 17066, 19504, 20608, 23644, 23744, 27242, 28784, 32896, 34132, 39008, 41377, 47288, 47488, 54484, 57568, 68264, 78016, 82754, 94576, 95347, 108968, 115136, 136528, 156032, 165508, 189152, 190694, 217936, 230272, 273056, 313283, 331016, 378304, 381388, 435872, 546112, 626566, 662032, 756608, 762776, 871744, 1092224, 1253132, 1324064, 1525552, 1743488, 2192981, 2506264, 2648128, 3051104, 4385962, 5012528, 5296256, 6102208, 8771924, 10025056, 12204416, 17543848, 20050112, 35087696, 40100224, 70175392, 140350784, 280701568]

約数ペア:

[(1, 280701568), (2, 140350784), (4, 70175392), (7, 40100224), (8, 35087696), (14, 20050112), (16, 17543848), (23, 12204416), (28, 10025056), (32, 8771924), (46, 6102208), (53, 5296256), (56, 5012528), (64, 4385962), (92, 3051104), (106, 2648128), (112, 2506264), (128, 2192981), (161, 1743488), (184, 1525552), (212, 1324064), (224, 1253132), (257, 1092224), (322, 871744), (368, 762776), (371, 756608), (424, 662032), (448, 626566), (514, 546112), (644, 435872), (736, 381388), (742, 378304), (848, 331016), (896, 313283), (1028, 273056), (1219, 230272), (1288, 217936), (1472, 190694), (1484, 189152), (1696, 165508), (1799, 156032), (2056, 136528), (2438, 115136), (2576, 108968), (2944, 95347), (2968, 94576), (3392, 82754), (3598, 78016), (4112, 68264), (4876, 57568), (5152, 54484), (5911, 47488), (5936, 47288), (6784, 41377), (7196, 39008), (8224, 34132), (8533, 32896), (9752, 28784), (10304, 27242), (11822, 23744), (11872, 23644), (13621, 20608), (14392, 19504), (16448, 17066)]