91985320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{328519}}^1$

素因数の和:328537

約数の個数: 32

約数和(自身を含む): 236534400

約数和(自身を除く): 144549080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 328519, 657038, 1314076, 1642595, 2299633, 2628152, 3285190, 4599266, 6570380, 9198532, 11498165, 13140760, 18397064, 22996330, 45992660, 91985320]

約数ペア:

[(1, 91985320), (2, 45992660), (4, 22996330), (5, 18397064), (7, 13140760), (8, 11498165), (10, 9198532), (14, 6570380), (20, 4599266), (28, 3285190), (35, 2628152), (40, 2299633), (56, 1642595), (70, 1314076), (140, 657038), (280, 328519)]