917504980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{11981}}^1$

素因数の和:12544

約数の個数: 48

約数和(自身を含む): 2206221696

約数和(自身を除く): 1288716716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 547, 1094, 2188, 2735, 3829, 5470, 7658, 10940, 11981, 15316, 19145, 23962, 38290, 47924, 59905, 76580, 83867, 119810, 167734, 239620, 335468, 419335, 838670, 1677340, 6553607, 13107214, 26214428, 32768035, 45875249, 65536070, 91750498, 131072140, 183500996, 229376245, 458752490, 917504980]

約数ペア:

[(1, 917504980), (2, 458752490), (4, 229376245), (5, 183500996), (7, 131072140), (10, 91750498), (14, 65536070), (20, 45875249), (28, 32768035), (35, 26214428), (70, 13107214), (140, 6553607), (547, 1677340), (1094, 838670), (2188, 419335), (2735, 335468), (3829, 239620), (5470, 167734), (7658, 119810), (10940, 83867), (11981, 76580), (15316, 59905), (19145, 47924), (23962, 38290)]