515242390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{107119}}^1$

素因数の和:107176

約数の個数: 32

約数和(自身を含む): 1025781120

約数和(自身を除く): 510538730

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 107119, 214238, 535595, 1071190, 1392547, 2785094, 3963403, 6962735, 7926806, 13925470, 19817015, 39634030, 51524239, 103048478, 257621195, 515242390]

約数ペア:

[(1, 515242390), (2, 257621195), (5, 103048478), (10, 51524239), (13, 39634030), (26, 19817015), (37, 13925470), (65, 7926806), (74, 6962735), (130, 3963403), (185, 2785094), (370, 1392547), (481, 1071190), (962, 535595), (2405, 214238), (4810, 107119)]