240985816

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 495360000

約数和(自身を除く): 254374184

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 199, 248, 257, 398, 514, 589, 796, 1028, 1178, 1592, 2056, 2356, 3781, 4712, 4883, 6169, 7562, 7967, 9766, 12338, 15124, 15934, 19532, 24676, 30248, 31868, 39064, 49352, 51143, 63736, 102286, 117211, 151373, 204572, 234422, 302746, 409144, 468844, 605492, 937688, 971717, 1210984, 1585433, 1943434, 3170866, 3886868, 6341732, 7773736, 12683464, 30123227, 60246454, 120492908, 240985816]

約数ペア:

[(1, 240985816), (2, 120492908), (4, 60246454), (8, 30123227), (19, 12683464), (31, 7773736), (38, 6341732), (62, 3886868), (76, 3170866), (124, 1943434), (152, 1585433), (199, 1210984), (248, 971717), (257, 937688), (398, 605492), (514, 468844), (589, 409144), (796, 302746), (1028, 234422), (1178, 204572), (1592, 151373), (2056, 117211), (2356, 102286), (3781, 63736), (4712, 51143), (4883, 49352), (6169, 39064), (7562, 31868), (7967, 30248), (9766, 24676), (12338, 19532), (15124, 15934)]