989293820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1705679}}^1$

素因数の和:1705717

約数の個数: 24

約数和(自身を含む): 2149156800

約数和(自身を除く): 1159862980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1705679, 3411358, 6822716, 8528395, 17056790, 34113580, 49464691, 98929382, 197858764, 247323455, 494646910, 989293820]

約数ペア:

[(1, 989293820), (2, 494646910), (4, 247323455), (5, 197858764), (10, 98929382), (20, 49464691), (29, 34113580), (58, 17056790), (116, 8528395), (145, 6822716), (290, 3411358), (580, 1705679)]