253343750

素因数分解:

$2^1\times 5^6\times {\mathrm{11}}^2\times {\mathrm{67}}^1$

素因数の和:121

約数の個数: 84

約数和(自身を含む): 529915092

約数和(自身を除く): 276571342

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 67, 110, 121, 125, 134, 242, 250, 275, 335, 550, 605, 625, 670, 737, 1210, 1250, 1375, 1474, 1675, 2750, 3025, 3125, 3350, 3685, 6050, 6250, 6875, 7370, 8107, 8375, 13750, 15125, 15625, 16214, 16750, 18425, 30250, 31250, 34375, 36850, 40535, 41875, 68750, 75625, 81070, 83750, 92125, 151250, 171875, 184250, 202675, 209375, 343750, 378125, 405350, 418750, 460625, 756250, 921250, 1013375, 1046875, 1890625, 2026750, 2093750, 2303125, 3781250, 4606250, 5066875, 10133750, 11515625, 23031250, 25334375, 50668750, 126671875, 253343750]

約数ペア:

[(1, 253343750), (2, 126671875), (5, 50668750), (10, 25334375), (11, 23031250), (22, 11515625), (25, 10133750), (50, 5066875), (55, 4606250), (67, 3781250), (110, 2303125), (121, 2093750), (125, 2026750), (134, 1890625), (242, 1046875), (250, 1013375), (275, 921250), (335, 756250), (550, 460625), (605, 418750), (625, 405350), (670, 378125), (737, 343750), (1210, 209375), (1250, 202675), (1375, 184250), (1474, 171875), (1675, 151250), (2750, 92125), (3025, 83750), (3125, 81070), (3350, 75625), (3685, 68750), (6050, 41875), (6250, 40535), (6875, 36850), (7370, 34375), (8107, 31250), (8375, 30250), (13750, 18425), (15125, 16750), (15625, 16214)]