128437500

素因数分解:

$2^2\times 3^1\times 5^7\times {\mathrm{137}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 377342784

約数和(自身を除く): 248905284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 137, 150, 250, 274, 300, 375, 411, 500, 548, 625, 685, 750, 822, 1250, 1370, 1500, 1644, 1875, 2055, 2500, 2740, 3125, 3425, 3750, 4110, 6250, 6850, 7500, 8220, 9375, 10275, 12500, 13700, 15625, 17125, 18750, 20550, 31250, 34250, 37500, 41100, 46875, 51375, 62500, 68500, 78125, 85625, 93750, 102750, 156250, 171250, 187500, 205500, 234375, 256875, 312500, 342500, 428125, 468750, 513750, 856250, 937500, 1027500, 1284375, 1712500, 2140625, 2568750, 4281250, 5137500, 6421875, 8562500, 10703125, 12843750, 21406250, 25687500, 32109375, 42812500, 64218750, 128437500]

約数ペア:

[(1, 128437500), (2, 64218750), (3, 42812500), (4, 32109375), (5, 25687500), (6, 21406250), (10, 12843750), (12, 10703125), (15, 8562500), (20, 6421875), (25, 5137500), (30, 4281250), (50, 2568750), (60, 2140625), (75, 1712500), (100, 1284375), (125, 1027500), (137, 937500), (150, 856250), (250, 513750), (274, 468750), (300, 428125), (375, 342500), (411, 312500), (500, 256875), (548, 234375), (625, 205500), (685, 187500), (750, 171250), (822, 156250), (1250, 102750), (1370, 93750), (1500, 85625), (1644, 78125), (1875, 68500), (2055, 62500), (2500, 51375), (2740, 46875), (3125, 41100), (3425, 37500), (3750, 34250), (4110, 31250), (6250, 20550), (6850, 18750), (7500, 17125), (8220, 15625), (9375, 13700), (10275, 12500)]