257239024

素因数分解:

$2^4\times 7^3\times {\mathrm{19}}^1\times {\mathrm{2467}}^1$

素因数の和:2515

約数の個数: 80

約数和(自身を含む): 612064000

約数和(自身を除く): 354824976

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 112, 133, 152, 196, 266, 304, 343, 392, 532, 686, 784, 931, 1064, 1372, 1862, 2128, 2467, 2744, 3724, 4934, 5488, 6517, 7448, 9868, 13034, 14896, 17269, 19736, 26068, 34538, 39472, 46873, 52136, 69076, 93746, 104272, 120883, 138152, 187492, 241766, 276304, 328111, 374984, 483532, 656222, 749968, 846181, 967064, 1312444, 1692362, 1934128, 2296777, 2624888, 3384724, 4593554, 5249776, 6769448, 9187108, 13538896, 16077439, 18374216, 32154878, 36748432, 64309756, 128619512, 257239024]

約数ペア:

[(1, 257239024), (2, 128619512), (4, 64309756), (7, 36748432), (8, 32154878), (14, 18374216), (16, 16077439), (19, 13538896), (28, 9187108), (38, 6769448), (49, 5249776), (56, 4593554), (76, 3384724), (98, 2624888), (112, 2296777), (133, 1934128), (152, 1692362), (196, 1312444), (266, 967064), (304, 846181), (343, 749968), (392, 656222), (532, 483532), (686, 374984), (784, 328111), (931, 276304), (1064, 241766), (1372, 187492), (1862, 138152), (2128, 120883), (2467, 104272), (2744, 93746), (3724, 69076), (4934, 52136), (5488, 46873), (6517, 39472), (7448, 34538), (9868, 26068), (13034, 19736), (14896, 17269)]