256648350

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4007}}^1$

素因数の和:4090

約数の個数: 96

約数和(自身を含む): 739524096

約数和(自身を除く): 482875746

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 61, 70, 75, 105, 122, 150, 175, 183, 210, 305, 350, 366, 427, 525, 610, 854, 915, 1050, 1281, 1525, 1830, 2135, 2562, 3050, 4007, 4270, 4575, 6405, 8014, 9150, 10675, 12021, 12810, 20035, 21350, 24042, 28049, 32025, 40070, 56098, 60105, 64050, 84147, 100175, 120210, 140245, 168294, 200350, 244427, 280490, 300525, 420735, 488854, 601050, 701225, 733281, 841470, 1222135, 1402450, 1466562, 1710989, 2103675, 2444270, 3421978, 3666405, 4207350, 5132967, 6110675, 7332810, 8554945, 10265934, 12221350, 17109890, 18332025, 25664835, 36664050, 42774725, 51329670, 85549450, 128324175, 256648350]

約数ペア:

[(1, 256648350), (2, 128324175), (3, 85549450), (5, 51329670), (6, 42774725), (7, 36664050), (10, 25664835), (14, 18332025), (15, 17109890), (21, 12221350), (25, 10265934), (30, 8554945), (35, 7332810), (42, 6110675), (50, 5132967), (61, 4207350), (70, 3666405), (75, 3421978), (105, 2444270), (122, 2103675), (150, 1710989), (175, 1466562), (183, 1402450), (210, 1222135), (305, 841470), (350, 733281), (366, 701225), (427, 601050), (525, 488854), (610, 420735), (854, 300525), (915, 280490), (1050, 244427), (1281, 200350), (1525, 168294), (1830, 140245), (2135, 120210), (2562, 100175), (3050, 84147), (4007, 64050), (4270, 60105), (4575, 56098), (6405, 40070), (8014, 32025), (9150, 28049), (10675, 24042), (12021, 21350), (12810, 20035)]