280559776

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{65921}}^1$

素因数の和:65957

約数の個数: 48

約数和(自身を含む): 664493760

約数和(自身を除く): 383933984

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 65921, 131842, 263684, 461447, 527368, 922894, 1054736, 1252499, 1845788, 2109472, 2504998, 3691576, 5009996, 7383152, 8767493, 10019992, 14766304, 17534986, 20039984, 35069972, 40079968, 70139944, 140279888, 280559776]

約数ペア:

[(1, 280559776), (2, 140279888), (4, 70139944), (7, 40079968), (8, 35069972), (14, 20039984), (16, 17534986), (19, 14766304), (28, 10019992), (32, 8767493), (38, 7383152), (56, 5009996), (76, 3691576), (112, 2504998), (133, 2109472), (152, 1845788), (224, 1252499), (266, 1054736), (304, 922894), (532, 527368), (608, 461447), (1064, 263684), (2128, 131842), (4256, 65921)]