121605820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{868613}}^1$

素因数の和:868629

約数の個数: 24

約数和(自身を含む): 291854304

約数和(自身を除く): 170248484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 868613, 1737226, 3474452, 4343065, 6080291, 8686130, 12160582, 17372260, 24321164, 30401455, 60802910, 121605820]

約数ペア:

[(1, 121605820), (2, 60802910), (4, 30401455), (5, 24321164), (7, 17372260), (10, 12160582), (14, 8686130), (20, 6080291), (28, 4343065), (35, 3474452), (70, 1737226), (140, 868613)]