214103540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{1109}}^1$

素因数の和:1329

約数の個数: 72

約数和(自身を含む): 526153320

約数和(自身を除く): 312049780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 197, 245, 394, 490, 788, 980, 985, 1109, 1379, 1970, 2218, 2758, 3940, 4436, 5516, 5545, 6895, 7763, 9653, 11090, 13790, 15526, 19306, 22180, 27580, 31052, 38612, 38815, 48265, 54341, 77630, 96530, 108682, 155260, 193060, 217364, 218473, 271705, 436946, 543410, 873892, 1086820, 1092365, 1529311, 2184730, 3058622, 4369460, 6117244, 7646555, 10705177, 15293110, 21410354, 30586220, 42820708, 53525885, 107051770, 214103540]

約数ペア:

[(1, 214103540), (2, 107051770), (4, 53525885), (5, 42820708), (7, 30586220), (10, 21410354), (14, 15293110), (20, 10705177), (28, 7646555), (35, 6117244), (49, 4369460), (70, 3058622), (98, 2184730), (140, 1529311), (196, 1092365), (197, 1086820), (245, 873892), (394, 543410), (490, 436946), (788, 271705), (980, 218473), (985, 217364), (1109, 193060), (1379, 155260), (1970, 108682), (2218, 96530), (2758, 77630), (3940, 54341), (4436, 48265), (5516, 38815), (5545, 38612), (6895, 31052), (7763, 27580), (9653, 22180), (11090, 19306), (13790, 15526)]