68500000

素因数分解:

$2^5\times 5^6\times {\mathrm{137}}^1$

素因数の和:177

約数の個数: 84

約数和(自身を含む): 169802514

約数和(自身を除く): 101302514

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 137, 160, 200, 250, 274, 400, 500, 548, 625, 685, 800, 1000, 1096, 1250, 1370, 2000, 2192, 2500, 2740, 3125, 3425, 4000, 4384, 5000, 5480, 6250, 6850, 10000, 10960, 12500, 13700, 15625, 17125, 20000, 21920, 25000, 27400, 31250, 34250, 50000, 54800, 62500, 68500, 85625, 100000, 109600, 125000, 137000, 171250, 250000, 274000, 342500, 428125, 500000, 548000, 685000, 856250, 1370000, 1712500, 2140625, 2740000, 3425000, 4281250, 6850000, 8562500, 13700000, 17125000, 34250000, 68500000]

約数ペア:

[(1, 68500000), (2, 34250000), (4, 17125000), (5, 13700000), (8, 8562500), (10, 6850000), (16, 4281250), (20, 3425000), (25, 2740000), (32, 2140625), (40, 1712500), (50, 1370000), (80, 856250), (100, 685000), (125, 548000), (137, 500000), (160, 428125), (200, 342500), (250, 274000), (274, 250000), (400, 171250), (500, 137000), (548, 125000), (625, 109600), (685, 100000), (800, 85625), (1000, 68500), (1096, 62500), (1250, 54800), (1370, 50000), (2000, 34250), (2192, 31250), (2500, 27400), (2740, 25000), (3125, 21920), (3425, 20000), (4000, 17125), (4384, 15625), (5000, 13700), (5480, 12500), (6250, 10960), (6850, 10000)]