28911000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:466

約数の個数: 128

約数和(自身を含む): 94348800

約数和(自身を除く): 65437800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 25, 30, 40, 46, 50, 60, 69, 75, 92, 100, 115, 120, 125, 138, 150, 184, 200, 230, 250, 276, 300, 345, 375, 419, 460, 500, 552, 575, 600, 690, 750, 838, 920, 1000, 1150, 1257, 1380, 1500, 1676, 1725, 2095, 2300, 2514, 2760, 2875, 3000, 3352, 3450, 4190, 4600, 5028, 5750, 6285, 6900, 8380, 8625, 9637, 10056, 10475, 11500, 12570, 13800, 16760, 17250, 19274, 20950, 23000, 25140, 28911, 31425, 34500, 38548, 41900, 48185, 50280, 52375, 57822, 62850, 69000, 77096, 83800, 96370, 104750, 115644, 125700, 144555, 157125, 192740, 209500, 231288, 240925, 251400, 289110, 314250, 385480, 419000, 481850, 578220, 628500, 722775, 963700, 1156440, 1204625, 1257000, 1445550, 1927400, 2409250, 2891100, 3613875, 4818500, 5782200, 7227750, 9637000, 14455500, 28911000]

約数ペア:

[(1, 28911000), (2, 14455500), (3, 9637000), (4, 7227750), (5, 5782200), (6, 4818500), (8, 3613875), (10, 2891100), (12, 2409250), (15, 1927400), (20, 1445550), (23, 1257000), (24, 1204625), (25, 1156440), (30, 963700), (40, 722775), (46, 628500), (50, 578220), (60, 481850), (69, 419000), (75, 385480), (92, 314250), (100, 289110), (115, 251400), (120, 240925), (125, 231288), (138, 209500), (150, 192740), (184, 157125), (200, 144555), (230, 125700), (250, 115644), (276, 104750), (300, 96370), (345, 83800), (375, 77096), (419, 69000), (460, 62850), (500, 57822), (552, 52375), (575, 50280), (600, 48185), (690, 41900), (750, 38548), (838, 34500), (920, 31425), (1000, 28911), (1150, 25140), (1257, 23000), (1380, 20950), (1500, 19274), (1676, 17250), (1725, 16760), (2095, 13800), (2300, 12570), (2514, 11500), (2760, 10475), (2875, 10056), (3000, 9637), (3352, 8625), (3450, 8380), (4190, 6900), (4600, 6285), (5028, 5750)]