2649744580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{547}}^1\times {\mathrm{4943}}^1$

素因数の和:5513

約数の個数: 72

約数和(自身を含む): 6486092928

約数和(自身を除く): 3836348348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 547, 980, 1094, 2188, 2735, 3829, 4943, 5470, 7658, 9886, 10940, 15316, 19145, 19772, 24715, 26803, 34601, 38290, 49430, 53606, 69202, 76580, 98860, 107212, 134015, 138404, 173005, 242207, 268030, 346010, 484414, 536060, 692020, 968828, 1211035, 2422070, 2703821, 4844140, 5407642, 10815284, 13519105, 18926747, 27038210, 37853494, 54076420, 75706988, 94633735, 132487229, 189267470, 264974458, 378534940, 529948916, 662436145, 1324872290, 2649744580]

約数ペア:

[(1, 2649744580), (2, 1324872290), (4, 662436145), (5, 529948916), (7, 378534940), (10, 264974458), (14, 189267470), (20, 132487229), (28, 94633735), (35, 75706988), (49, 54076420), (70, 37853494), (98, 27038210), (140, 18926747), (196, 13519105), (245, 10815284), (490, 5407642), (547, 4844140), (980, 2703821), (1094, 2422070), (2188, 1211035), (2735, 968828), (3829, 692020), (4943, 536060), (5470, 484414), (7658, 346010), (9886, 268030), (10940, 242207), (15316, 173005), (19145, 138404), (19772, 134015), (24715, 107212), (26803, 98860), (34601, 76580), (38290, 69202), (49430, 53606)]