4078760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{2081}}^1$

素因数の和:2106

約数の個数: 48

約数和(自身を含む): 10680660

約数和(自身を除く): 6601900

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 2081, 4162, 8324, 10405, 14567, 16648, 20810, 29134, 41620, 58268, 72835, 83240, 101969, 116536, 145670, 203938, 291340, 407876, 509845, 582680, 815752, 1019690, 2039380, 4078760]

約数ペア:

[(1, 4078760), (2, 2039380), (4, 1019690), (5, 815752), (7, 582680), (8, 509845), (10, 407876), (14, 291340), (20, 203938), (28, 145670), (35, 116536), (40, 101969), (49, 83240), (56, 72835), (70, 58268), (98, 41620), (140, 29134), (196, 20810), (245, 16648), (280, 14567), (392, 10405), (490, 8324), (980, 4162), (1960, 2081)]