137480000

素因数分解:

$2^6\times 5^4\times 7^1\times {\mathrm{491}}^1$

素因数の和:530

約数の個数: 140

約数和(自身を含む): 390400032

約数和(自身を除く): 252920032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 320, 350, 400, 448, 491, 500, 560, 625, 700, 800, 875, 982, 1000, 1120, 1250, 1400, 1600, 1750, 1964, 2000, 2240, 2455, 2500, 2800, 3437, 3500, 3928, 4000, 4375, 4910, 5000, 5600, 6874, 7000, 7856, 8000, 8750, 9820, 10000, 11200, 12275, 13748, 14000, 15712, 17185, 17500, 19640, 20000, 24550, 27496, 28000, 31424, 34370, 35000, 39280, 40000, 49100, 54992, 56000, 61375, 68740, 70000, 78560, 85925, 98200, 109984, 122750, 137480, 140000, 157120, 171850, 196400, 219968, 245500, 274960, 280000, 306875, 343700, 392800, 429625, 491000, 549920, 613750, 687400, 785600, 859250, 982000, 1099840, 1227500, 1374800, 1718500, 1964000, 2148125, 2455000, 2749600, 3437000, 3928000, 4296250, 4910000, 5499200, 6874000, 8592500, 9820000, 13748000, 17185000, 19640000, 27496000, 34370000, 68740000, 137480000]

約数ペア:

[(1, 137480000), (2, 68740000), (4, 34370000), (5, 27496000), (7, 19640000), (8, 17185000), (10, 13748000), (14, 9820000), (16, 8592500), (20, 6874000), (25, 5499200), (28, 4910000), (32, 4296250), (35, 3928000), (40, 3437000), (50, 2749600), (56, 2455000), (64, 2148125), (70, 1964000), (80, 1718500), (100, 1374800), (112, 1227500), (125, 1099840), (140, 982000), (160, 859250), (175, 785600), (200, 687400), (224, 613750), (250, 549920), (280, 491000), (320, 429625), (350, 392800), (400, 343700), (448, 306875), (491, 280000), (500, 274960), (560, 245500), (625, 219968), (700, 196400), (800, 171850), (875, 157120), (982, 140000), (1000, 137480), (1120, 122750), (1250, 109984), (1400, 98200), (1600, 85925), (1750, 78560), (1964, 70000), (2000, 68740), (2240, 61375), (2455, 56000), (2500, 54992), (2800, 49100), (3437, 40000), (3500, 39280), (3928, 35000), (4000, 34370), (4375, 31424), (4910, 28000), (5000, 27496), (5600, 24550), (6874, 20000), (7000, 19640), (7856, 17500), (8000, 17185), (8750, 15712), (9820, 14000), (10000, 13748), (11200, 12275)]