520451584

素因数分解:

$2^9\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:331

約数の個数: 80

約数和(自身を含む): 1072431360

約数和(自身を除く): 551979776

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 103, 128, 139, 142, 206, 256, 278, 284, 412, 512, 556, 568, 824, 1112, 1136, 1648, 2224, 2272, 3296, 4448, 4544, 6592, 7313, 8896, 9088, 9869, 13184, 14317, 14626, 17792, 18176, 19738, 26368, 28634, 29252, 35584, 36352, 39476, 52736, 57268, 58504, 71168, 78952, 114536, 117008, 157904, 229072, 234016, 315808, 458144, 468032, 631616, 916288, 936064, 1016507, 1263232, 1832576, 1872128, 2033014, 2526464, 3665152, 3744256, 4066028, 5052928, 7330304, 8132056, 16264112, 32528224, 65056448, 130112896, 260225792, 520451584]

約数ペア:

[(1, 520451584), (2, 260225792), (4, 130112896), (8, 65056448), (16, 32528224), (32, 16264112), (64, 8132056), (71, 7330304), (103, 5052928), (128, 4066028), (139, 3744256), (142, 3665152), (206, 2526464), (256, 2033014), (278, 1872128), (284, 1832576), (412, 1263232), (512, 1016507), (556, 936064), (568, 916288), (824, 631616), (1112, 468032), (1136, 458144), (1648, 315808), (2224, 234016), (2272, 229072), (3296, 157904), (4448, 117008), (4544, 114536), (6592, 78952), (7313, 71168), (8896, 58504), (9088, 57268), (9869, 52736), (13184, 39476), (14317, 36352), (14626, 35584), (17792, 29252), (18176, 28634), (19738, 26368)]