2870019790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{131111}}^1$

素因数の和:131328

約数の個数: 32

約数和(自身を含む): 5664038400

約数和(自身を除く): 2794018610

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1990, 2189, 4378, 10945, 21890, 131111, 262222, 655555, 1311110, 1442221, 2884442, 7211105, 14422210, 26091089, 52182178, 130455445, 260910890, 287001979, 574003958, 1435009895, 2870019790]

約数ペア:

[(1, 2870019790), (2, 1435009895), (5, 574003958), (10, 287001979), (11, 260910890), (22, 130455445), (55, 52182178), (110, 26091089), (199, 14422210), (398, 7211105), (995, 2884442), (1990, 1442221), (2189, 1311110), (4378, 655555), (10945, 262222), (21890, 131111)]