280760032

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^2\times {\mathrm{4337}}^1$

素因数の和:4388

約数の個数: 72

約数和(自身を含む): 671210064

約数和(自身を除く): 390450032

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 289, 476, 544, 578, 952, 1156, 1904, 2023, 2312, 3808, 4046, 4337, 4624, 8092, 8674, 9248, 16184, 17348, 30359, 32368, 34696, 60718, 64736, 69392, 73729, 121436, 138784, 147458, 242872, 294916, 485744, 516103, 589832, 971488, 1032206, 1179664, 1253393, 2064412, 2359328, 2506786, 4128824, 5013572, 8257648, 8773751, 10027144, 16515296, 17547502, 20054288, 35095004, 40108576, 70190008, 140380016, 280760032]

約数ペア:

[(1, 280760032), (2, 140380016), (4, 70190008), (7, 40108576), (8, 35095004), (14, 20054288), (16, 17547502), (17, 16515296), (28, 10027144), (32, 8773751), (34, 8257648), (56, 5013572), (68, 4128824), (112, 2506786), (119, 2359328), (136, 2064412), (224, 1253393), (238, 1179664), (272, 1032206), (289, 971488), (476, 589832), (544, 516103), (578, 485744), (952, 294916), (1156, 242872), (1904, 147458), (2023, 138784), (2312, 121436), (3808, 73729), (4046, 69392), (4337, 64736), (4624, 60718), (8092, 34696), (8674, 32368), (9248, 30359), (16184, 17348)]