178305708

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{4271}}^1$

素因数の和:4363

約数の個数: 72

約数和(自身を含む): 490904064

約数和(自身を除く): 312598356

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 71, 84, 98, 142, 147, 196, 213, 284, 294, 426, 497, 588, 852, 994, 1491, 1988, 2982, 3479, 4271, 5964, 6958, 8542, 10437, 12813, 13916, 17084, 20874, 25626, 29897, 41748, 51252, 59794, 89691, 119588, 179382, 209279, 303241, 358764, 418558, 606482, 627837, 837116, 909723, 1212964, 1255674, 1819446, 2122687, 2511348, 3638892, 4245374, 6368061, 8490748, 12736122, 14858809, 25472244, 29717618, 44576427, 59435236, 89152854, 178305708]

約数ペア:

[(1, 178305708), (2, 89152854), (3, 59435236), (4, 44576427), (6, 29717618), (7, 25472244), (12, 14858809), (14, 12736122), (21, 8490748), (28, 6368061), (42, 4245374), (49, 3638892), (71, 2511348), (84, 2122687), (98, 1819446), (142, 1255674), (147, 1212964), (196, 909723), (213, 837116), (284, 627837), (294, 606482), (426, 418558), (497, 358764), (588, 303241), (852, 209279), (994, 179382), (1491, 119588), (1988, 89691), (2982, 59794), (3479, 51252), (4271, 41748), (5964, 29897), (6958, 25626), (8542, 20874), (10437, 17084), (12813, 13916)]