8457400

素因数分解:

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

素因数の和:893

約数の個数: 72

約数和(自身を含む): 22900320

約数和(自身を除く): 14442920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 863, 980, 1225, 1400, 1726, 1960, 2450, 3452, 4315, 4900, 6041, 6904, 8630, 9800, 12082, 17260, 21575, 24164, 30205, 34520, 42287, 43150, 48328, 60410, 84574, 86300, 120820, 151025, 169148, 172600, 211435, 241640, 302050, 338296, 422870, 604100, 845740, 1057175, 1208200, 1691480, 2114350, 4228700, 8457400]

約数ペア:

[(1, 8457400), (2, 4228700), (4, 2114350), (5, 1691480), (7, 1208200), (8, 1057175), (10, 845740), (14, 604100), (20, 422870), (25, 338296), (28, 302050), (35, 241640), (40, 211435), (49, 172600), (50, 169148), (56, 151025), (70, 120820), (98, 86300), (100, 84574), (140, 60410), (175, 48328), (196, 43150), (200, 42287), (245, 34520), (280, 30205), (350, 24164), (392, 21575), (490, 17260), (700, 12082), (863, 9800), (980, 8630), (1225, 6904), (1400, 6041), (1726, 4900), (1960, 4315), (2450, 3452)]