280412608

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:442

約数の個数: 112

約数和(自身を含む): 669227008

約数和(自身を除く): 388814400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 61, 62, 64, 112, 122, 124, 217, 224, 244, 248, 331, 427, 434, 448, 488, 496, 662, 854, 868, 976, 992, 1324, 1708, 1736, 1891, 1952, 1984, 2317, 2648, 3416, 3472, 3782, 3904, 4634, 5296, 6832, 6944, 7564, 9268, 10261, 10592, 13237, 13664, 13888, 15128, 18536, 20191, 20522, 21184, 26474, 27328, 30256, 37072, 40382, 41044, 52948, 60512, 71827, 74144, 80764, 82088, 105896, 121024, 141337, 143654, 148288, 161528, 164176, 211792, 282674, 287308, 323056, 328352, 423584, 565348, 574616, 625921, 646112, 656704, 847168, 1130696, 1149232, 1251842, 1292224, 2261392, 2298464, 2503684, 4381447, 4522784, 4596928, 5007368, 8762894, 9045568, 10014736, 17525788, 20029472, 35051576, 40058944, 70103152, 140206304, 280412608]

約数ペア:

[(1, 280412608), (2, 140206304), (4, 70103152), (7, 40058944), (8, 35051576), (14, 20029472), (16, 17525788), (28, 10014736), (31, 9045568), (32, 8762894), (56, 5007368), (61, 4596928), (62, 4522784), (64, 4381447), (112, 2503684), (122, 2298464), (124, 2261392), (217, 1292224), (224, 1251842), (244, 1149232), (248, 1130696), (331, 847168), (427, 656704), (434, 646112), (448, 625921), (488, 574616), (496, 565348), (662, 423584), (854, 328352), (868, 323056), (976, 287308), (992, 282674), (1324, 211792), (1708, 164176), (1736, 161528), (1891, 148288), (1952, 143654), (1984, 141337), (2317, 121024), (2648, 105896), (3416, 82088), (3472, 80764), (3782, 74144), (3904, 71827), (4634, 60512), (5296, 52948), (6832, 41044), (6944, 40382), (7564, 37072), (9268, 30256), (10261, 27328), (10592, 26474), (13237, 21184), (13664, 20522), (13888, 20191), (15128, 18536)]