2146458520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^2\times {\mathrm{109}}^1$

素因数の和:377

約数の個数: 96

約数和(自身を含む): 5034229200

約数和(自身を除く): 2887770680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 107, 109, 172, 214, 215, 218, 344, 428, 430, 436, 535, 545, 856, 860, 872, 1070, 1090, 1720, 2140, 2180, 4280, 4360, 4601, 4687, 9202, 9374, 11449, 11663, 18404, 18748, 22898, 23005, 23326, 23435, 36808, 37496, 45796, 46010, 46652, 46870, 57245, 58315, 91592, 92020, 93304, 93740, 114490, 116630, 184040, 187480, 228980, 233260, 457960, 466520, 492307, 501509, 984614, 1003018, 1247941, 1969228, 2006036, 2461535, 2495882, 2507545, 3938456, 4012072, 4923070, 4991764, 5015090, 6239705, 9846140, 9983528, 10030180, 12479410, 19692280, 20060360, 24958820, 49917640, 53661463, 107322926, 214645852, 268307315, 429291704, 536614630, 1073229260, 2146458520]

約数ペア:

[(1, 2146458520), (2, 1073229260), (4, 536614630), (5, 429291704), (8, 268307315), (10, 214645852), (20, 107322926), (40, 53661463), (43, 49917640), (86, 24958820), (107, 20060360), (109, 19692280), (172, 12479410), (214, 10030180), (215, 9983528), (218, 9846140), (344, 6239705), (428, 5015090), (430, 4991764), (436, 4923070), (535, 4012072), (545, 3938456), (856, 2507545), (860, 2495882), (872, 2461535), (1070, 2006036), (1090, 1969228), (1720, 1247941), (2140, 1003018), (2180, 984614), (4280, 501509), (4360, 492307), (4601, 466520), (4687, 457960), (9202, 233260), (9374, 228980), (11449, 187480), (11663, 184040), (18404, 116630), (18748, 114490), (22898, 93740), (23005, 93304), (23326, 92020), (23435, 91592), (36808, 58315), (37496, 57245), (45796, 46870), (46010, 46652)]