1691480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{863}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 4432320

約数和(自身を除く): 2740840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 863, 980, 1726, 1960, 3452, 4315, 6041, 6904, 8630, 12082, 17260, 24164, 30205, 34520, 42287, 48328, 60410, 84574, 120820, 169148, 211435, 241640, 338296, 422870, 845740, 1691480]

約数ペア:

[(1, 1691480), (2, 845740), (4, 422870), (5, 338296), (7, 241640), (8, 211435), (10, 169148), (14, 120820), (20, 84574), (28, 60410), (35, 48328), (40, 42287), (49, 34520), (56, 30205), (70, 24164), (98, 17260), (140, 12082), (196, 8630), (245, 6904), (280, 6041), (392, 4315), (490, 3452), (863, 1960), (980, 1726)]