208737620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{114691}}^1$

素因数の和:114720

約数の個数: 48

約数和(自身を含む): 539511168

約数和(自身を除く): 330773548

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 114691, 229382, 458764, 573455, 802837, 1146910, 1490983, 1605674, 2293820, 2981966, 3211348, 4014185, 5963932, 7454915, 8028370, 10436881, 14909830, 16056740, 20873762, 29819660, 41747524, 52184405, 104368810, 208737620]

約数ペア:

[(1, 208737620), (2, 104368810), (4, 52184405), (5, 41747524), (7, 29819660), (10, 20873762), (13, 16056740), (14, 14909830), (20, 10436881), (26, 8028370), (28, 7454915), (35, 5963932), (52, 4014185), (65, 3211348), (70, 2981966), (91, 2293820), (130, 1605674), (140, 1490983), (182, 1146910), (260, 802837), (364, 573455), (455, 458764), (910, 229382), (1820, 114691)]