82849480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{659}}^1$

素因数の和:1126

約数の個数: 64

約数和(自身を含む): 213840000

約数和(自身を除く): 130990520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 449, 659, 898, 1318, 1796, 2245, 2636, 3143, 3295, 3592, 4490, 4613, 5272, 6286, 6590, 8980, 9226, 12572, 13180, 15715, 17960, 18452, 23065, 25144, 26360, 31430, 36904, 46130, 62860, 92260, 125720, 184520, 295891, 591782, 1183564, 1479455, 2071237, 2367128, 2958910, 4142474, 5917820, 8284948, 10356185, 11835640, 16569896, 20712370, 41424740, 82849480]

約数ペア:

[(1, 82849480), (2, 41424740), (4, 20712370), (5, 16569896), (7, 11835640), (8, 10356185), (10, 8284948), (14, 5917820), (20, 4142474), (28, 2958910), (35, 2367128), (40, 2071237), (56, 1479455), (70, 1183564), (140, 591782), (280, 295891), (449, 184520), (659, 125720), (898, 92260), (1318, 62860), (1796, 46130), (2245, 36904), (2636, 31430), (3143, 26360), (3295, 25144), (3592, 23065), (4490, 18452), (4613, 17960), (5272, 15715), (6286, 13180), (6590, 12572), (8980, 9226)]