78926000

素因数分解:

$2^4\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 160

約数和(自身を含む): 210462720

約数和(自身を除く): 131536720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 38, 40, 50, 62, 67, 76, 80, 95, 100, 124, 125, 134, 152, 155, 190, 200, 248, 250, 268, 304, 310, 335, 380, 400, 475, 496, 500, 536, 589, 620, 670, 760, 775, 950, 1000, 1072, 1178, 1240, 1273, 1340, 1520, 1550, 1675, 1900, 2000, 2077, 2356, 2375, 2480, 2546, 2680, 2945, 3100, 3350, 3800, 3875, 4154, 4712, 4750, 5092, 5360, 5890, 6200, 6365, 6700, 7600, 7750, 8308, 8375, 9424, 9500, 10184, 10385, 11780, 12400, 12730, 13400, 14725, 15500, 16616, 16750, 19000, 20368, 20770, 23560, 25460, 26800, 29450, 31000, 31825, 33232, 33500, 38000, 39463, 41540, 47120, 50920, 51925, 58900, 62000, 63650, 67000, 73625, 78926, 83080, 101840, 103850, 117800, 127300, 134000, 147250, 157852, 159125, 166160, 197315, 207700, 235600, 254600, 259625, 294500, 315704, 318250, 394630, 415400, 509200, 519250, 589000, 631408, 636500, 789260, 830800, 986575, 1038500, 1178000, 1273000, 1578520, 1973150, 2077000, 2546000, 3157040, 3946300, 4154000, 4932875, 7892600, 9865750, 15785200, 19731500, 39463000, 78926000]

約数ペア:

[(1, 78926000), (2, 39463000), (4, 19731500), (5, 15785200), (8, 9865750), (10, 7892600), (16, 4932875), (19, 4154000), (20, 3946300), (25, 3157040), (31, 2546000), (38, 2077000), (40, 1973150), (50, 1578520), (62, 1273000), (67, 1178000), (76, 1038500), (80, 986575), (95, 830800), (100, 789260), (124, 636500), (125, 631408), (134, 589000), (152, 519250), (155, 509200), (190, 415400), (200, 394630), (248, 318250), (250, 315704), (268, 294500), (304, 259625), (310, 254600), (335, 235600), (380, 207700), (400, 197315), (475, 166160), (496, 159125), (500, 157852), (536, 147250), (589, 134000), (620, 127300), (670, 117800), (760, 103850), (775, 101840), (950, 83080), (1000, 78926), (1072, 73625), (1178, 67000), (1240, 63650), (1273, 62000), (1340, 58900), (1520, 51925), (1550, 50920), (1675, 47120), (1900, 41540), (2000, 39463), (2077, 38000), (2356, 33500), (2375, 33232), (2480, 31825), (2546, 31000), (2680, 29450), (2945, 26800), (3100, 25460), (3350, 23560), (3800, 20770), (3875, 20368), (4154, 19000), (4712, 16750), (4750, 16616), (5092, 15500), (5360, 14725), (5890, 13400), (6200, 12730), (6365, 12400), (6700, 11780), (7600, 10385), (7750, 10184), (8308, 9500), (8375, 9424)]