20180990158

素因数分解:

$2^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{367}}^1\times {\mathrm{1129}}^1$

素因数の和:1590

約数の個数: 64

約数和(自身を含む): 35928576000

約数和(自身を除く): 15747585842

約数列:

[1, 2, 7, 14, 49, 71, 98, 142, 343, 367, 497, 686, 734, 994, 1129, 2258, 2569, 3479, 5138, 6958, 7903, 15806, 17983, 24353, 26057, 35966, 48706, 52114, 55321, 80159, 110642, 125881, 160318, 182399, 251762, 364798, 387247, 414343, 561113, 774494, 828686, 1122226, 1276793, 2553586, 2900401, 3927791, 5800802, 7855582, 8937551, 17875102, 20302807, 27494537, 29418353, 40605614, 54989074, 58836706, 142119649, 205928471, 284239298, 411856942, 1441499297, 2882998594, 10090495079, 20180990158]

約数ペア:

[(1, 20180990158), (2, 10090495079), (7, 2882998594), (14, 1441499297), (49, 411856942), (71, 284239298), (98, 205928471), (142, 142119649), (343, 58836706), (367, 54989074), (497, 40605614), (686, 29418353), (734, 27494537), (994, 20302807), (1129, 17875102), (2258, 8937551), (2569, 7855582), (3479, 5800802), (5138, 3927791), (6958, 2900401), (7903, 2553586), (15806, 1276793), (17983, 1122226), (24353, 828686), (26057, 774494), (35966, 561113), (48706, 414343), (52114, 387247), (55321, 364798), (80159, 251762), (110642, 182399), (125881, 160318)]