85139320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{304069}}^1$

素因数の和:304087

約数の個数: 32

約数和(自身を含む): 218930400

約数和(自身を除く): 133791080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 304069, 608138, 1216276, 1520345, 2128483, 2432552, 3040690, 4256966, 6081380, 8513932, 10642415, 12162760, 17027864, 21284830, 42569660, 85139320]

約数ペア:

[(1, 85139320), (2, 42569660), (4, 21284830), (5, 17027864), (7, 12162760), (8, 10642415), (10, 8513932), (14, 6081380), (20, 4256966), (28, 3040690), (35, 2432552), (40, 2128483), (56, 1520345), (70, 1216276), (140, 608138), (280, 304069)]