291179140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71719}}^1$

素因数の和:71764

約数の個数: 48

約数和(自身を含む): 722937600

約数和(自身を除く): 431758460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 71719, 143438, 286876, 358595, 502033, 717190, 1004066, 1434380, 2008132, 2079851, 2510165, 4159702, 5020330, 8319404, 10040660, 10399255, 14558957, 20798510, 29117914, 41597020, 58235828, 72794785, 145589570, 291179140]

約数ペア:

[(1, 291179140), (2, 145589570), (4, 72794785), (5, 58235828), (7, 41597020), (10, 29117914), (14, 20798510), (20, 14558957), (28, 10399255), (29, 10040660), (35, 8319404), (58, 5020330), (70, 4159702), (116, 2510165), (140, 2079851), (145, 2008132), (203, 1434380), (290, 1004066), (406, 717190), (580, 502033), (812, 358595), (1015, 286876), (2030, 143438), (4060, 71719)]