1979769890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1373}}^1\times {\mathrm{20599}}^1$

素因数の和:21986

約数の個数: 32

約数和(自身を含む): 4075833600

約数和(自身を除く): 2096063710

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1373, 2746, 6865, 9611, 13730, 19222, 20599, 41198, 48055, 96110, 102995, 144193, 205990, 288386, 720965, 1441930, 28282427, 56564854, 141412135, 197976989, 282824270, 395953978, 989884945, 1979769890]

約数ペア:

[(1, 1979769890), (2, 989884945), (5, 395953978), (7, 282824270), (10, 197976989), (14, 141412135), (35, 56564854), (70, 28282427), (1373, 1441930), (2746, 720965), (6865, 288386), (9611, 205990), (13730, 144193), (19222, 102995), (20599, 96110), (41198, 48055)]