268773820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{274259}}^1$

素因数の和:274282

約数の個数: 36

約数和(自身を含む): 656578440

約数和(自身を除く): 387804620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 274259, 548518, 1097036, 1371295, 1919813, 2742590, 3839626, 5485180, 7679252, 9599065, 13438691, 19198130, 26877382, 38396260, 53754764, 67193455, 134386910, 268773820]

約数ペア:

[(1, 268773820), (2, 134386910), (4, 67193455), (5, 53754764), (7, 38396260), (10, 26877382), (14, 19198130), (20, 13438691), (28, 9599065), (35, 7679252), (49, 5485180), (70, 3839626), (98, 2742590), (140, 1919813), (196, 1371295), (245, 1097036), (490, 548518), (980, 274259)]