201864880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{659}}^1$

素因数の和:1226

約数の個数: 80

約数和(自身を含む): 538179840

約数和(自身を除く): 336314960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 547, 560, 659, 1094, 1318, 2188, 2636, 2735, 3295, 3829, 4376, 4613, 5272, 5470, 6590, 7658, 8752, 9226, 10544, 10940, 13180, 15316, 18452, 19145, 21880, 23065, 26360, 30632, 36904, 38290, 43760, 46130, 52720, 61264, 73808, 76580, 92260, 153160, 184520, 306320, 360473, 369040, 720946, 1441892, 1802365, 2523311, 2883784, 3604730, 5046622, 5767568, 7209460, 10093244, 12616555, 14418920, 20186488, 25233110, 28837840, 40372976, 50466220, 100932440, 201864880]

約数ペア:

[(1, 201864880), (2, 100932440), (4, 50466220), (5, 40372976), (7, 28837840), (8, 25233110), (10, 20186488), (14, 14418920), (16, 12616555), (20, 10093244), (28, 7209460), (35, 5767568), (40, 5046622), (56, 3604730), (70, 2883784), (80, 2523311), (112, 1802365), (140, 1441892), (280, 720946), (547, 369040), (560, 360473), (659, 306320), (1094, 184520), (1318, 153160), (2188, 92260), (2636, 76580), (2735, 73808), (3295, 61264), (3829, 52720), (4376, 46130), (4613, 43760), (5272, 38290), (5470, 36904), (6590, 30632), (7658, 26360), (8752, 23065), (9226, 21880), (10544, 19145), (10940, 18452), (13180, 15316)]