996989000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{142427}}^1$

素因数の和:142455

約数の個数: 64

約数和(自身を含む): 2666252160

約数和(自身を除く): 1669263160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 3500, 7000, 142427, 284854, 569708, 712135, 996989, 1139416, 1424270, 1993978, 2848540, 3560675, 3987956, 4984945, 5697080, 7121350, 7975912, 9969890, 14242700, 17803375, 19939780, 24924725, 28485400, 35606750, 39879560, 49849450, 71213500, 99698900, 124623625, 142427000, 199397800, 249247250, 498494500, 996989000]

約数ペア:

[(1, 996989000), (2, 498494500), (4, 249247250), (5, 199397800), (7, 142427000), (8, 124623625), (10, 99698900), (14, 71213500), (20, 49849450), (25, 39879560), (28, 35606750), (35, 28485400), (40, 24924725), (50, 19939780), (56, 17803375), (70, 14242700), (100, 9969890), (125, 7975912), (140, 7121350), (175, 5697080), (200, 4984945), (250, 3987956), (280, 3560675), (350, 2848540), (500, 1993978), (700, 1424270), (875, 1139416), (1000, 996989), (1400, 712135), (1750, 569708), (3500, 284854), (7000, 142427)]