78775000

素因数分解:

$2^3\times 5^5\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 194050080

約数和(自身を除く): 115275080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 125, 137, 184, 200, 230, 250, 274, 460, 500, 548, 575, 625, 685, 920, 1000, 1096, 1150, 1250, 1370, 2300, 2500, 2740, 2875, 3125, 3151, 3425, 4600, 5000, 5480, 5750, 6250, 6302, 6850, 11500, 12500, 12604, 13700, 14375, 15755, 17125, 23000, 25000, 25208, 27400, 28750, 31510, 34250, 57500, 63020, 68500, 71875, 78775, 85625, 115000, 126040, 137000, 143750, 157550, 171250, 287500, 315100, 342500, 393875, 428125, 575000, 630200, 685000, 787750, 856250, 1575500, 1712500, 1969375, 3151000, 3425000, 3938750, 7877500, 9846875, 15755000, 19693750, 39387500, 78775000]

約数ペア:

[(1, 78775000), (2, 39387500), (4, 19693750), (5, 15755000), (8, 9846875), (10, 7877500), (20, 3938750), (23, 3425000), (25, 3151000), (40, 1969375), (46, 1712500), (50, 1575500), (92, 856250), (100, 787750), (115, 685000), (125, 630200), (137, 575000), (184, 428125), (200, 393875), (230, 342500), (250, 315100), (274, 287500), (460, 171250), (500, 157550), (548, 143750), (575, 137000), (625, 126040), (685, 115000), (920, 85625), (1000, 78775), (1096, 71875), (1150, 68500), (1250, 63020), (1370, 57500), (2300, 34250), (2500, 31510), (2740, 28750), (2875, 27400), (3125, 25208), (3151, 25000), (3425, 23000), (4600, 17125), (5000, 15755), (5480, 14375), (5750, 13700), (6250, 12604), (6302, 12500), (6850, 11500)]