2039380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2081}}^1$

素因数の和:2104

約数の個数: 36

約数和(自身を含む): 4984308

約数和(自身を除く): 2944928

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2081, 4162, 8324, 10405, 14567, 20810, 29134, 41620, 58268, 72835, 101969, 145670, 203938, 291340, 407876, 509845, 1019690, 2039380]

約数ペア:

[(1, 2039380), (2, 1019690), (4, 509845), (5, 407876), (7, 291340), (10, 203938), (14, 145670), (20, 101969), (28, 72835), (35, 58268), (49, 41620), (70, 29134), (98, 20810), (140, 14567), (196, 10405), (245, 8324), (490, 4162), (980, 2081)]