127729000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:356

約数の個数: 128

約数和(自身を含む): 347742720

約数和(自身を除く): 220013720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 71, 100, 125, 140, 142, 175, 200, 250, 257, 280, 284, 350, 355, 497, 500, 514, 568, 700, 710, 875, 994, 1000, 1028, 1285, 1400, 1420, 1750, 1775, 1799, 1988, 2056, 2485, 2570, 2840, 3500, 3550, 3598, 3976, 4970, 5140, 6425, 7000, 7100, 7196, 8875, 8995, 9940, 10280, 12425, 12850, 14200, 14392, 17750, 17990, 18247, 19880, 24850, 25700, 32125, 35500, 35980, 36494, 44975, 49700, 51400, 62125, 64250, 71000, 71960, 72988, 89950, 91235, 99400, 124250, 127729, 128500, 145976, 179900, 182470, 224875, 248500, 255458, 257000, 359800, 364940, 449750, 456175, 497000, 510916, 638645, 729880, 899500, 912350, 1021832, 1277290, 1799000, 1824700, 2280875, 2554580, 3193225, 3649400, 4561750, 5109160, 6386450, 9123500, 12772900, 15966125, 18247000, 25545800, 31932250, 63864500, 127729000]

約数ペア:

[(1, 127729000), (2, 63864500), (4, 31932250), (5, 25545800), (7, 18247000), (8, 15966125), (10, 12772900), (14, 9123500), (20, 6386450), (25, 5109160), (28, 4561750), (35, 3649400), (40, 3193225), (50, 2554580), (56, 2280875), (70, 1824700), (71, 1799000), (100, 1277290), (125, 1021832), (140, 912350), (142, 899500), (175, 729880), (200, 638645), (250, 510916), (257, 497000), (280, 456175), (284, 449750), (350, 364940), (355, 359800), (497, 257000), (500, 255458), (514, 248500), (568, 224875), (700, 182470), (710, 179900), (875, 145976), (994, 128500), (1000, 127729), (1028, 124250), (1285, 99400), (1400, 91235), (1420, 89950), (1750, 72988), (1775, 71960), (1799, 71000), (1988, 64250), (2056, 62125), (2485, 51400), (2570, 49700), (2840, 44975), (3500, 36494), (3550, 35980), (3598, 35500), (3976, 32125), (4970, 25700), (5140, 24850), (6425, 19880), (7000, 18247), (7100, 17990), (7196, 17750), (8875, 14392), (8995, 14200), (9940, 12850), (10280, 12425)]