205313000

素因数分解:

$2^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:268

約数の個数: 128

約数和(自身を含む): 512179200

約数和(自身を除く): 306866200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 37, 40, 50, 62, 74, 100, 124, 125, 148, 155, 179, 185, 200, 248, 250, 296, 310, 358, 370, 500, 620, 716, 740, 775, 895, 925, 1000, 1147, 1240, 1432, 1480, 1550, 1790, 1850, 2294, 3100, 3580, 3700, 3875, 4475, 4588, 4625, 5549, 5735, 6200, 6623, 7160, 7400, 7750, 8950, 9176, 9250, 11098, 11470, 13246, 15500, 17900, 18500, 22196, 22375, 22940, 26492, 27745, 28675, 31000, 33115, 35800, 37000, 44392, 44750, 45880, 52984, 55490, 57350, 66230, 89500, 110980, 114700, 132460, 138725, 143375, 165575, 179000, 205313, 221960, 229400, 264920, 277450, 286750, 331150, 410626, 554900, 573500, 662300, 693625, 821252, 827875, 1026565, 1109800, 1147000, 1324600, 1387250, 1642504, 1655750, 2053130, 2774500, 3311500, 4106260, 5132825, 5549000, 6623000, 8212520, 10265650, 20531300, 25664125, 41062600, 51328250, 102656500, 205313000]

約数ペア:

[(1, 205313000), (2, 102656500), (4, 51328250), (5, 41062600), (8, 25664125), (10, 20531300), (20, 10265650), (25, 8212520), (31, 6623000), (37, 5549000), (40, 5132825), (50, 4106260), (62, 3311500), (74, 2774500), (100, 2053130), (124, 1655750), (125, 1642504), (148, 1387250), (155, 1324600), (179, 1147000), (185, 1109800), (200, 1026565), (248, 827875), (250, 821252), (296, 693625), (310, 662300), (358, 573500), (370, 554900), (500, 410626), (620, 331150), (716, 286750), (740, 277450), (775, 264920), (895, 229400), (925, 221960), (1000, 205313), (1147, 179000), (1240, 165575), (1432, 143375), (1480, 138725), (1550, 132460), (1790, 114700), (1850, 110980), (2294, 89500), (3100, 66230), (3580, 57350), (3700, 55490), (3875, 52984), (4475, 45880), (4588, 44750), (4625, 44392), (5549, 37000), (5735, 35800), (6200, 33115), (6623, 31000), (7160, 28675), (7400, 27745), (7750, 26492), (8950, 22940), (9176, 22375), (9250, 22196), (11098, 18500), (11470, 17900), (13246, 15500)]